Does Titleist Do Fitting Better Than Everyone: T-Series Iron Testing

Join Johnny Wunder at the Titleist Performance Institute for an exclusive inside look at one of the most elite fitting experiences in golf. In this video, Johnny goes through a full tour-level fitting with the new 2025 Titleist T-Series irons—T100, T150, T250, and T350—to find the perfect setup for his game.

From initial testing to dialed-in recommendations, watch as Johnny breaks down the performance, feel, and differences between each iron model with insights straight from the experts at Titleist. Whether you’re a scratch golfer or a weekend warrior, this is what it’s like to be fit like a pro.

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Okay, I got two good ones. So, let’s hit new T100. Okay, new T100s out of the box show up one degree stronger than prior generation. So, 33, correct? But with new Sure Fit Hoszle, we have the ability to weaken golf clubs by 2°. So, we have a 1:1 ratio. I can go one flat, one up, one weak, two weak, one strong with this whole thing. Huh? Yes. So that is your spec. I I bent it one degree weak for you. So that’s the exact setup that you have. Okay. And in our testing process, I want to test all the models as close to your loft and lie setup that we can. Okay. So we can really see the differences. [Music] Need to say this out loud. I have always been a huge fan of titleless irons. the whole platform from the days back to the 962BS to the AP2s. Always been an admirer, played a lot of their irons. What you’re about to see here is a look inside to what an actual fitting at TPI looks like. I typically don’t like to be swinging at my best. I want to find out if an iron can help me on my worst. Cuz at this point in my life, most of the time I’m not hitting it awesome. I don’t have a lot of time to practice. I’m 48 years old. I have two kids. Probably a lot of you can relate. So, I want to find out if these things are going to do the trick when I am not awesome. And what Lucas Bro, who’s a genius fitter, by the way, and I don’t say that lightly. I’ve worked and I’m friends with a ton of the top fitters in the world, he’s masterclass. And what he was able to do was to build in efficiency and some trust on a day that I didn’t have. And he was able to build an iron platform in my bag that works when I am not awesome. That’s hard to do. So, these are the heroes of the story. So, you have T100 and T-150. Now, there was a utility iron that’s amazing that I don’t have in front of me, but you have the U250. I did hit the T250 and T350 and the Star Irons. Fantastic. But the point of this video is to talk about these two champions here. What Titalist does really, really well, and this is where they kind of dominate is they they really really uh excel in the nuance. So, if I am looking at the new T100, a lot of it for the most part, that’s an old familiar feel, but you’re going to notice a little bit of a little bit of uh sole change here. There’s a little bit more relief. The sole got a little bit cleaner, gets to the turf a little bit faster, but ultimately, if you look at this versus the T100 from a couple years ago, you’re not going to see a huge difference, but there is one. I’m going to get to that in a second. T-150 changed a little bit more. I was a huge fan of the T-150 when I saw it. I thought it was a brilliant idea to have like a tweener iron. uh between like your players, I don’t know, players performance, players distance, and your tour iron. This is kind of a combination of both. They did make some changes to the sole, so it’s not as wide as before. There’s a little back edge relief. Uh it just gets to the turf a little bit better. But one thing that I noticed that was completely fascinating, and you got to remember like Titus bases everything off of their fitting system, which is the 3Ds. 3Ds is distance, dispersion, and descent angle. They fit for dispersion, not east to west because they can fix that pretty quickly, but they want to ensure that you’re hitting the same peak height with every club. They want to make sure that the spin is there for control and they want to make sure that your north south dispersion is tight. Typically getting pin high as much as possible because that’s how you shoot lower scores. This is all built around precision, getting to the pin as quickly as possible and shooting a low score. And that’s why the titleless thing for me at this point in my life is extremely attractive. So fly in the wall look into my fitting. Uh hope you guys find it interesting, but they knocked it out of the park. Um these are going to be the irons I’m going to be playing for the rest of the year. They’re in the bag along with the Prov1X golf ball. So hope you guys enjoy that. I hope you guys learn a lot because I learned a lot. So thanks to Lucas Bro and the Titus crew for having me over to TPI. This is T-Series. Uh, if you guys want to know the down and dirty, uh, you’re going to see it right now. Let’s get into it. Wow. This is one of those golf clubs that if it’s not broke, don’t change it. Right. And so, you want to make subtle refinements to it. Yeah. And which is Yeah. I mean, you already had a good iron to begin with, so Little pulley, but that was a good strike. Give me one more. Good strike. That was good. So, there’s a couple things that jump out at us. Okay. Obviously, those last couple you covered a little bit. It’s moving to the left, right? But there’s a big increase in ball speed. It’s not inherently a good thing in a seven iron because you’re trying to map out your bag so that all your ball speeds are different. When you guys do 5 m hour between each club, right? Is that kind of the idea? That’s the old gold standard. And the reason behind that is you’re looking to match the peak heights of all your golf balls. So, for example, if you hit your seven iron 96 ft, the physics that will make a 4iron good for you as a golfer is to make your four iron go 96 ft. You can either do that with center of gravity or loft. Correct. And the back engineering, the physics and the mechanism behind it is you need the ball launch and spin to all match up to create it. So when it goes 96 feet, you’ll notice that the ball speed separates. If we just focus on peak height, it’s a it’s a result number, right? It’s the combination of those three metrics. Okay? And so each player’s geometry, the way you swing, you create a peak height, right? If I made it go 130, you’d be like, “That’s weird. I don’t like that. If I made it go 60, you’d go, I don’t really like that one either. So, we try to find what’s that middle ground for you. What looks good for you. Okay. If your seven is 96 and you hit a 4 iron and it goes 50, I know that one of these is wrong. Okay. It’s usually the ball speed, right? And it’s usually the spin. Launch is harder to change because that’s usually player technique. So, if you have one, your four iron goes lower than your seven. I just make it go higher, right? And if I make it go higher, I either have to do it with the punch, the ball speed, or I have to do it with the loft, or a combination of the two. Okay? So, you as a golfer resonate better with golf clubs that have more loft because I react I could I can adjust and I, you know, I I control my D and I learned that from you, full credit for that last time I was here, is when I see loft Yeah. instinctively I want to go correct this way. especially if I’m playing a lot of golf. Like I just it’s really worked out well. So, one of the things that’s come up from this is if I make your seven iron too hot, too low spin, too flat in flight, all I do is make my job really hard when I get to the four iron, right? So, everything that I’m doing in the seven iron, I’m thinking ahead a couple steps. Okay? I’m going, okay, Johnny’s not going to like that. Maybe he hits his seven iron five yards shorter, but I’m going to butter him up to show him why it’s going to help him in the four iron. And and that’s why I have this dispersion plot on the left because I like to work up through the bag. So we’d have our driver at the top. We’d have our seven iron, which is kind of our north star, and we would stair step everything so there’s a nice clean gap between every club. Okay. If the peak heights are the same, you’re less likely to adjust your golf swing to try to lift it, which is what I which which you said to me last time because I’ve always played with stronger lofts like you know and because because I’ve learned I always felt like I picked the ball and the only way to combat that was to take the loft down to get the the which makes sense like in practical sense but the fear always is when you weaken the loft people perceive that you’re going to lose distance. It’s like, well, sure, in a seven iron, maybe you do because you’re actually pushing the seven iron into the sixiron category, but it’s a bell curve. And so, if you steepen it at the seven iron, you make your wedge game kind of not great because you’ve got these big loft gaps and then you have some gaps down at four, five, six. Exactly. Really weird. With a really good player, I almost want to start at the five or the four iron. I want to go, okay, what does your four iron need to look like? And how do I back fill everything down through the set? That’s another way to approach it, right? But you’re accomplishing the same thing. We have more adjustability in the seven iron. That’s why we like to start there. So, fun fun fact for the day. It’s kind of kind of weird how this always works, but players typically swing their driver exactly 20 m hour faster than their seven iron. Really? Yes. So, I have 20 m an hour of club head speed to fill, which means I have typically about 30 miles an hour of ball speed to fill between your seven and your driver, which is where the hybrids and the fivewoods and the So, if you push your seven iron with too much speed, let me wash that off. If you push your seven iron too far, you just bottleneck up top, right? Really good. All right, let’s hit the 150. Okay. Very nice. Just pros and cons in everything we do. Right. Right. If I make your seven go further, I create a different problem. If I make it go shorter, I create a different problem. Yeah. So, like what I’ve noticed with these cuz I’m always thinking about 5, six, seven. Those are like the three irons that, you know, like I I want to be able to not lose strokes with. Yeah. Essentially, or four, five, six, seven. But what I’m always trying to say uh conscious of with a seven iron is I still want to treat it as a scoring iron. What I’ve been doing is because I’m trying to get the ball speed out of it and I’m trying to get more out of it is the the fact that I I still need this as a scoring club gets lost somewhere and I’m just not focusing on the right things and I can do it with my my like eight through wedge. I’m always paying attention to that like you know is it getting through the turf? Is it doing what I need to do? Can I hit the shots? And seven iron is always that that kind of that bastard child. Like I just I would say that’s a normal feeling. That’s a normal experience. I think on tour you probably hear that at the sixiron. Yeah. The sixiron’s the last scoring club and the five iron starts to be that one that’s just make a par just don’t make a bogey with it. Hit in the middle of the green. Yeah. So this is 150. This is 150 at 34° of loft. Okay. And the reason we want to test it at 34 degrees of loft for you, not for everyone, but for you is because when I start strengthening the loft for you, you start making bad swings, right? So I have to keep you out of that today. Tell you what, these things get up in the air fast, don’t they? I can’t, if I’m being super honest, like if I set this down and set that down, like I don’t notice much difference. I got to address and through the turf like cuz I remember the last time I hit 150, I liked it, but it wasn’t getting through the turf. Like I wasn’t getting it on a good part of the face. This one I feel like I am like that’s a good shot for me to to look at because that’s that’s my miss usually. Like nine times out of 10 it’s like center bottom groover. Okay, let me take that one from you. That’s really good. So this is 250. This is 250. Again, more similar to the loft that you walked in. So this is 250 at 2° weak. Okay. Just to keep you away from getting to that flipping motion. little dropkicky, but but you can see how much more that club wants to launch in the air. I don’t know what you guys did versus the last thing, but so far cuz there was a distinct difference between T100 and then when I got to 150 200 getting through the turf like and it’s not like I’m taking big big beaver pelts or anything, but like I can feel it. But I can tell like where on the face I’m catching it. So I feel like I’m catching like a maybe a groove or a groove and a half up the face versus what I was doing with the other ones. So for fun, let me take that club back. I’m going to put it at its standard loft. Okay. Sometimes when you’re taking a 250 or a kind of hollow body construction, there’s a lot of weight low in the face. And so bending it weak sometimes goes against the reason for how we construct. Right. Because it’s designed at that Exactly. the loft. Right. So you’re always trying to play the game of like is it you or is it how the club swings you? Gotcha. So, like I feel like I can already tell you like if we’re going 7 iron for 7 iron, I’m going to hit I will probably get more out of the T100 across the board than I would of the ones maybe with a little bit lower CG potentially. I I think because you’re a more covering player, you’re always going to seek a golf club that’s more like an MB, a CB, a T100, right? So strike is going to improve. That was hammered. 100 yards left, but it hit that good. So your ball speed jumped up from 115 mph. That was 121. I was going to say that that’s like But the the negative to that is your peak height drops and you’re only 5,700 RPMs of spin. Yeah, that’s not See, I need I need to be I can already tell you like I don’t know how to play golf that way. So, what a lot of the trap a lot of people get into is yes, that does make your seven iron go further, right? But remember, I’m going to lose 1,000 RPMs of spin roughly for every four degrees of loft. If you’re at 5,700 already in your seven, you’re going to be at 47 in your six. You’re going to be at 30wood territory by the time I get to my four iron, if you even have enough spin left to go with. So, like I look at 7 iron for me, especially at 34 degrees, like in like unicorn scenario, if I hit a great shot, I should be between 116 and 118 somewhere in mid6,000 spins. I would agree. Like that’s that’s that’s where I live. And and even if you could be 7,000 in your 7 iron is a good thing because I look at spin less about the club sometimes. I look at it as how far the ball needs to go. Right? If you and I are going to, let’s say we have different club head speeds and different club distances. If we’re going to hit a shot at 156 yards, maybe I can hit my eight iron there. And so I’m going to have 8,000 RPMs of spin, which means my height’s going to be maybe 105, 110. I have a competitive advantage against you. So you lowering your spin to make your seven goes further doesn’t give you a competitive advantage. No, you have to match the tour player or the higher speed players physics, right? And so you being able to create spin, the negative is it’s the distance. And unfortunately, that’s what we get too focused on when the reality is how do we shoot really low scores? You’re able to control your golf ball when it hits the green. Right. Well, I always say that fitting is not an event, it’s a process, right? It’s a process. Yeah. So, we threw everything in the kitchen sink at you last time, right? Now, we get to dial in just the tiny little things that add on top of that each time. And I think for a lot of people, they come out here, it’s a bucket list. We got to get a lot done, but even when they come out here, it’s not 100%. I’d like it to be, right? Sometimes it’s 98, sometimes it’s 99. Yeah. I think if you Sometimes it’s 85. I think if you walk out of a fitting and everything’s perfect, you got lucky. I would agree. Yeah, you got lucky cuz that means that you can be the same person Yeah. on June 19th as you were as you are on August 15th. Like I really like that left side, don’t I? A little bit. You’re swinging over there. Your feet are starting to creep just a little left. Are they? Yeah. Okay, that’s better. Right there. Yeah. Is that more in the ballpark? Really good. Okay, I’ll take it back. I don’t have a good enough reason to tell you to change too far away in your seven iron specs from what we did last time. I feel I feel comfortable where you were. I like this is mine. Yes. I really like good my like I’m totally comfortable with cuz I know I know the baseline’s good enough and I know like as I play more and start to hit it better like everything will get better. And I don’t see after hitting everything that I’ve hit so far, I still think I hit this one better. I mean, I still think I hit the T100 better. I agree. Yeah, we were texting and I got a 100 and 156 iron. Okay. So, let’s hit them both and let’s see which one offers the best result. Yeah. Okay. I like to change one at the end. Okay. And the only reason I say that is because I think more people can play six and five irons in these more modern clubs because of the engineering that’s happened right now. The four iron where it breaks, we definitely have to change chassis size and start stacking them. Well, it makes sense at that because that’s that’s almost a niche club, too. Those aren’t scoring clubs. Like at that point, you just got to get as much out of it as you can. I also believe that once you change the chassis size, the game has begun. Right? So, if you change to a 150, then the next one can’t be the same because for the same reason you had to change from a 100 to a 150, you’re going to have to change from a 150 to a 250. Got it? And so, I don’t see it work all the time. But, let’s try. Let’s try another bottom groover. So, we have to find the point in the set where we need help from the technology. Got it. That’s what we’re trying to determine right now. Is it the six? Is it the five? Is it never? I always love our stat from tour where uh 80% of tour players play a mixed bag of irons. Yeah. 20% of consumers play a mixed bag of irons. What a wild. 100% of golfers play a mixed bag of clubs. You play a driver, it’s a metal, right? And an iron, that’s a mixed bag, right? But iron sets, you said 20%. Yes. That’s a wild number. Tell you what, I like the way this looks. Is this the 150? That is the 150. Yes. Okay, let me show you the comparison between those two sixirons. What’s the first thing you notice right out of the gate? This one gets to its peak height. Like you hit the center of the face easier. And with this one, yes, for 100%. People always come in and say, “Well, I put a better swing on it.” I’m like, that’s the point. You could put a better swing on whatever about that golf club is allowing you to do so. Yeah, we don’t have to get too crazy with the definition. And so how we define a better iron versus another is remember your ball speed of your seven iron. I’m going to take your last couple which were a little bit more solid. You were 116 and a half. So I need at least 121 12. The 6iron T100 was only 118. But let’s reverse it. Let’s just look more simply at 87, right? So what can I assume? It’s low speed, low launch, and low spin, right? What do you know? But really, it was just low speed, low launch, normal spin. Right? If I compare them now, and I took that sixiron, I weakened it. So, it’s they’re both the same lofts. So, whenever you’re figuring out in the seven iron, you go, okay, I want it 34°. I continue that loft progression even when I change chassis size. Okay? If I needed to strengthen the loft, that would be step number two. If I needed to introduce a graphite shaft, that would be step number three, which would be making it lighter. Theoretically, a lot longer. So, I don’t need to go to a graphite because it’s still an iron and I want to keep the same loft because of all the things that you do with your golf swing. Right. So, step number one is a lot. The difference between the 150 and the 100 is look at the ball speed difference. Yeah. So, like I So, I’m looking at I’m looking at these numbers, right? So, like if that’s, you know, 6,000 spin, right, which, you know, you and I would probably say that’s on the razor’s edge, if not not enough. But I’m also, you’re also turning the ball right to left on all those shots, right? And I’m also getting to 103 ft, correct? And I look at it now, like if I’m being super super honest, is how I like sixiron for me, like I said before, like it’s a it’s a it’s a abyss of darkness. Yeah. like, you know, I if I make par, if I hit a good shot with a sixiron, um, I got lucky that day. But I’m looking at these numbers and I know that I have wiggle room because if I hit it thin, I got ball speed, air to to to give away. I got spin all probably, you know, spin probably realistically is probably at 6200 if I hit it straight. Right. Sure. And then like these numbers I don’t care about because, you know, golf course me and out here me is different. It’s like if I’m taking all this crap out of here and I’m just looking at that and that and that those three if that’s a fun those are fun numbers. If you can’t get off the starting block, there’s no point in continuing to test, right? So, if you’re not separating your ball speed and you’re having to manipulate your golf swing to do it, the tools working against you and not for you. Okay. So, this question goes to Marne. So, the last 150s I hit because we hit a bunch of 150s last time I was here. We did. And I didn’t hit them as good as So, what’s different without getting too far under the hood? Like what? center of gravity is a little bit different and then the the face the face design is a little bit different than this one. So the variable face thickness which we’ll get into right when we show you the presentation the muscle channel is slightly tweaked in this one too cuz this was a different experience than last time I hit this thing. And I think that’s why it’s important that it’s great that we did it and we did all the the big bold stuff and now we get to refine and we get to fine-tune because this is the club that gives you the most fits on the golf course. So now we can find, like you said, it’s four shots around, right? What if I got you two back? You go from two doubles to two birdies, right? That’s a huge shot swing, right? I take that. Yeah, you could sell that to me for 10 grand. Well, sure. Cash only. This is a great opportunity for us to try a different golf ball. Okay. So, we touched on um we wanted to test the difference between Prov1 and Pro1X. Yes. When you’re deciding golf balls, we always want to fit the irons first. Okay. We want to fit the ball to the irons and we want to fit the driver to the golf ball. That is the philosophy on tour. The other side of the tour is players work from the green backwards, right? If you’re missing six foot putts because of the way the golf ball feels, it’s not a good golf club. Yeah. If it doesn’t feel right green side and not giving you what you’re looking for in your distance control, we can do more things with the golf club to accommodate those couple hundred RPMs of spin that maybe you’re losing out in the driver. Yeah. Cuz you can’t you don’t have any levers to change this. We have a ton of levers to take on. So, let’s let’s think about what we just said in the courtroom. We said that we’re already teetering on a little bit of the low side of spin, right? Well, a Prov1 on paper is a slightly lower spinning, lower launching golf ball. It’s not working in our favor, particularly in this golf club, maybe, right? But maybe it will. It it I don’t want to say it all comes back to feel a lot of times, but if you’re getting the the club in a good place and you’re choosing between Prov1 and Prov1X, it’s hard to screw up that decision, right? If you’re coming from a competitor or maybe an AVX or maybe a left dash, those are more polarizing options. Yes, you’re going to see some really, really big differences. But what we want from this ball is we want it to be as consistent as possible in every round of golf that you play. And this is this would be the lower compression of the two. It will, but but that doesn’t necessarily mean that the cover and the dimple pattern and the mantle and the gradient are all the bells and whistles of the ball. Okay? So what you’re looking for is remember you don’t hit your driver the same swing speed as your wedges. No. So compression is all relative. Sure. because you got to hit a 20 yard shot and you got to hit a 200 yard shot, right? So, it’s all about maintaining that peak height throughout your set. So, in theory, this one should launch a little lower potentially. Yeah. Okay. The the hard Sorry, right by your right foot. The hard part is you’re a human and you experience things and you have tactile information. You’re gonna adjust more things about you than I can adjust with the golf ball on the fly. Right. Let’s get a couple more. I would love to be able to turn again. Turn and burn. I tell you what, for a thin shot. Not bad. No, I mean, I probably lost a ton, but I’m just looking at ballooning and all the extra stuff that happens when you hit a Fin. Yeah, that’s an X just to throw him off the S. One more. Look at that thing get up. Holy snakies. Little hosley. Are you noticing anything over there? Me with a ball. Is it? Oh yeah. Good. Oh yeah. Okay, let’s look at those two things combined. So, uh, three or four shots ago and you said, “Wow, really look at that one. Get up there.” Now, this one’s this is sick. By the way, that was actually an X ball. Oh, wow. The one you just hit was a Prov1. So, when we’re looking at the difference between these two, magenta is Prov1X. Green is Prov1. Very similar ball speeds, right? However, you do have a little bit more ball speed in the X. Okay. Why? Hard for me to say. You have one more degree of launch. Okay. You actually have 300 RPMs less spin. So, what we can infer about that is the player is probably trying to adjust for what they saw the shot before. When you’re picking between these two golf balls, you almost project sometimes what you want out of it. And what I don’t like about the Prov1 is you were less efficient with your strike, which is why you got that kind of low launch spinny shot, which is in a reaction to what I’m seeing in the air from the shot previous, which Okay, so that’s that’s something that nobody talks about. And you’re like I you mentioned this last time I was here was because we see it on tour all the time like you see a player reacting to a ball, right? when you’re playing like ball whack-a-ole and you’re throwing different balls in there, that’s a real thing. So like you might have a ball like Prov1’s theoretically supposed to spin less than prob, right? But if if I’m coming off a ball that I see get up in the air fast, instinctively what I want to do is cover is start to do this which is going to change strike point. It’s going to change everything. Yes. So what I’ve learned from this job is human beings are creatures of reacting to their environment, right? That’s what we’re really really good at. I built a career on just reacting to Correct. And golf is a game of compensations and a game of reactions. And so what I’ve learned is I’m trying to give you tools that make a better compensation mechanism, which is again back to raising the floor. It’s making making how you think, how you react, everything more. Efficiency is the key. This is where I This is where maybe I get over my skis sometimes, but I find it really interesting where like let’s say we’re in lie angle and we’re saying, “Oh, upright line angle goes left.” It’s like, “Well, sort of.” Or it goes left because the players aim left. And I’ll go, “Hey, stop doing that. Aim there and I’ll make it even more upright and it’ll go dead straight, right?” Don’t settle for I just tweak the club and it just does a thing, right? There’s more complexity to it. Okay. So, this is where we landed. This is what? So, let’s just get this. So, we got six through pitching wedge and T100. Correct. Well, I’d say it this way. Seven through pitching wedge and T100 are guaranteed good golf. Cooked. We’re happy. The first potential change is we’re going to send you both a T100 and a T-150 and the sixiron. Okay. So, you can test it on the golf course and figure out the pros and cons of both. Right. I think the conservative approach is the T100. I think the interesting one is T-150. Okay. The negative is the 156iron might creep a little too close to your 155 iron, which was very good. Okay. T255 wasn’t so good. 4iron becomes your U505, which was great. And the positive there in this generation is you don’t have to look at that bigger head style. So, it’s less intrusive. You’re not really thinking that it’s a U505. It just looks like a Yeah, it looks like a beef. Okay. So, that’s a huge benefit to this line for you. This is like buying a brand new car and now you got wireless carplay. So, versus versus [Laughter] it’s a creature comfort. It’s good, right?