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In My Bag:
Driver: PXG Black Ops 9 degree
3 Wood: Titleist GT2 13.5 degree
5 Wood: Taylor Made RBZ stage 1 19 degree
Irons: Mizuno S3 4i to 9i
Wedges: Mizuno T1- 46,50,56 &60
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Well, hello everybody and welcome back to the channel. In today’s video, we’re focusing on Mazuno irons. Now, I said previously that I thought the new Mazuno Pro S3 was the best looking iron out on the market, period. However, Mazuno have recently released the new S1. I knew it was coming, but I wasn’t really ready for it. Now, when it comes to this particular iron, it’s not going to be for everybody because this iron is a muscle back iron. I’m going to be putting it to the test today against the S3 and we’re going to see how they actually perform from a visual point of view. Very, very similar, but there are some subtle differences which we’re going to get into in this video. I’m going to give you some numbers. I’m going to tell you what Mazuno are saying about these clubs. I’m going to give you some feels and performances out on the golf course. Let’s get into it. Now, I’ve had the S3 irons in the bag now for probably about 3 or 4 months. My first outing with them, I actually managed to win the first tournament ever played with them. I was fitted for these at Barewood Lakes, which is kind of like the HQ in the UK for Mizuno as to where they do their fitting. And the experience of that fitting was absolutely fantastic. A brand new set of shafts that I had in these particular irons made up. And the feel off the face, as you would expect, very impressive when it comes to Mazuno irons. All in all, performance for me really, really good. Getting the flights that I want to get from them. Getting everything that I would kind of expect to get from a Mazuno Iron. Now, don’t be fooled with these particular clubs. They’re not designed, as I said, for everybody. They’re going to be designed for players that want something that’s obviously got that feel that you would expect from Mazuno, but the way they’ve positioned the CG in both of these models, getting it closer to the kind of center point of the club. In previous generations or other types of irons that Mizuno make and other manufacturers make, they’re going to push the CG positions around the head, making it a little bit more stable. The downside to that is that the player can’t, let’s say, maneuver the head quite as much, which means that they can’t get the shot shaping that they’re requiring. So, Mizuno moving back to more of a traditional kind of setup, which is bringing that CG more centered, allowing that club face to be able to twist for the desired shot that that player’s looking for. Now I’m just clipping a couple of five irons away down here on the 10th hole at Chen. And what they’re saying to me when it comes to the visuals is that we’re going to get a slightly thinner top line when it comes to the long irons from the S3 into the S1. And I’ve got to say from setup position, this particular head looking well pretty small if I’m honest with you compared to what I’m seeing out of that S3. Lovely flight. Great flight. In fact, feel off the face with both of those irons. Actually, not a great deal of difference to be honest with you. Let’s get up there and take a closer look and talk a little bit about the tech inside these heads. Now, from a visual point of view, if these two clubs were on the shop rack, you would see definitely a difference when it comes to the looks of them. The S3 being a little bit more sort of channeled out and positioning the weight around the perimeter, which is going to give us that stability that we need with those off-centered strikes. However, when we look at the S1, we’re seeing not a great deal there. We got a small channel in the back here, which is enabling us to get that center of gravity in the right place, giving us that vertical launch that’s going to be a little bit more consistent is what Mizuno are telling us. However, I’ve got to refer to their website on this one because there are some differences when it comes to the actual looks of these clubs and I just want to give you a bit of an insight into what Mizuno are saying because to the naked eye, you’re not going to see a great deal of difference. However, when it comes to, let’s say, blade length, we’re getting a consistent 2 mm difference being the S3 being slightly bigger in its profile when it comes to blade length compared to what we’re seeing in the S1. 2 mm across the board. So, as you work your way up through the set, that blade length is going to get bigger and bigger. However, the S3 being 2 mm bigger right the way through the set. If we then look at the width of the sole, and this is all to do with turf interaction, allowing that club to work into the ground and out of the ground quickly and optimizing again the performance in that area. Again, we’re talking 2 mm differences here in the bottom of these particular clubs. Now, again, to the naked eye, not a great deal of difference, but there is definitely something there that’s going to help that player get that club in and out of the ground a little bit easier. However, when we look at the top line, which I think this is an area that really is a what a player is going to focus on, again, we’re looking at a millimeter difference of in the pitching wedge. I got 4 mm on the top line as a thickness when it comes to the S1 compared to a 4.6 mm difference in the pitching wedge. So, we are seeing a slightly thicker top line out of that S3. However, when you work your way up the clubs, let’s say into four irons, five irons, and six irons, you’re going to see that spread just move a little bit more, meaning that that S1, that bladed iron, just looking even thinner on the top, probably to be able to position that CG in the right place. So, there is a slight difference there. And again, when it comes to the offset, there is some differences here. We’re talking in inches. Now, when it comes to the pitching wedge, you got 0.08 08 in in that offset compared to what I’m seeing out of the S3 which is 0.11 in the offset. Again, to the naked eye, probably not going to see a big difference there. Now, just sticking with the five irons, I’ve got my S3 again. We’re going to lead with that one. But on this 11th hole, I’ve got wind direction kind of into me here. There’s probably about a 10 to 12 mph wind out here this morning. So, I want to be able to control the ball flight with these particular clubs. I want to be able to hit that lower launching ball flight, which is allowing me to be able to get that ball to chase out there just a little bit better with it being slightly into wind. I don’t want it stalling. So, where in the past I’ve used irons that, let’s say, have helped launch the ball up in the air, I’ve been able not been able to control them as best as I would like. So, let’s just hit a couple down here and just get a sense of what it actually feels like to be able to hit this shot and whether we can see any differences in those launch windows. S3 to get us going with Absolutely. I’ve kind of got used to the feel and the the launch conditions of this particular iron. So, slightly in my back foot being able to control that flight. You can see that ball just stayed down there nice and easily. And then when we move into the um S1 club now, again, this club is designed to be able to get that control. And what we talked about that channel in the back there, being able to control the launch conditions by having the CG in the correct spot. Let’s see if I can uh hit the same sort of shot. I want to try and keep that similar window. Yeah, literally identical. Not feeling not seeing a great deal of difference in those two shots other than one being probably 10 yards right of the other one. Actually, interestingly, Mizuno focusing very much on a feel focus, should we say, when it comes to these particular irons. Now, inside both these heads, we’ve got that 1025 carbon steel, which is giving us that soft, pure Mazuno type of feel, but you’ve got this copper underlay inside the heads. And the idea of that is to help with that, well, the vibrations, trying to get in tune with the player, trying to get a focus on trying to get the best feel possible. and they found out by putting this sort of new product inside the heads, they can get an even better feel off the face. Now, is there a difference between these two particular clubs? I’m not sure I’m sensing a great deal of difference if I’m honest with you. That focus when it comes to the S1 being more of like a firmer feel, but not taking away that soft, buttery feel that we always getting from a Mizuno Iron. Again, this is all about tall feedback from their players. Now, I’ve got to say when I read a lot of the marketing stuff that goes into these all these manufacturers basically, they’re just kind of recycling a lot of this stuff. So, if you read it and then read from 5 years ago, you might read some similarities in in what they’re talking about or just using other words that explain this kind of same thing. But when it comes to this launch of the Mazuno Pro S3 and then the S1’s, now we’re sort of seeing the terminology of legacy reborn. But what does that actually mean? Because Legacy Reborn to me is like is looking maybe at its heritage and then maybe re-releasing uh some of the sort of positive stuff that they had from previous generations. And we’re talking about probably years gone by. We’re still into wind on this 11th. I’m just trying a seven iron down with both these clubs. A little bit of turn on it. moving it from the flag more towards the left side of the green but a good amount of control with that particular shot. Now when I talk about Legacy Reborn, Mazuno historically have had clubs that have maybe moved into more of a rounded kind of feel or look down by the ball. Now with the release of these particular setups, we’ve got now more of straighter lines, more boxier type of looks down by the ball. And this goes back to the old sort of TP re um range when they had TP9s and TP11s. You have more of a squarer type of kind of look down by the ball with their irons. And I’m definitely seeing a more squarer look in more more so probably in the S1 over even the S3. I think the S3 has a really nice sort of rounded look where the S1 maybe just has a little bit more of a squarer type of look. But that’s what they’re focusing when they’re talking about Legacy Reborn. Having something that’s maybe just a look from the older days of Mazuno, the players like Sandy Ly, the players like Nick Fo that used to use those irons uh to great effect. And again, now looking down at this sort of bladed bladed iron, are definitely a smaller profile with the seven iron. It’s not a great deal of difference, but it’s definitely there. similar flight if anything just a fraction lower. And just again because it went a little bit lower, it just carried just a few yards further onto that green. But two very similar flights, two very similar shots. Let’s take a closer look at the numbers of what we’re getting from these seven irons that I got from the studio. Now, please note when it comes to these two irons, 34° in loft with both the 7 irons in the S3 and the S1 models. However, I was expecting to see some differences in the numbers. Let’s get into it. Ball speed off the club face. S3 iron, I’m getting 111 nearly 112 mph off the club face. Compared that to the S1, interestingly, 113 and a half that I’m getting off the club face. So, just a little bit quicker off the face. Might be because I’m just warming up a little bit more when I’m in the studio. However, launch conditions a little bit higher out of the S3 over, let’s say, the S1. Not a great deal of difference in it. 19.2 compared to 18.9. But this is the big one for me, which I expected to maybe be a slight difference. S3 spinning at 6,776 revs on an average compared to what I’m getting out of the S1 at 6,744 revs. I expected the S3 from historic performances for me with bladed irons to spin up just a little bit more. But this is probably why I love the S3 so much is because I get really good spin numbers. I get great consistency with my spin which ultimately gives me that control from front to back. Um it’s always people focus on maybe dispersion from left to right, but actually if your spin numbers are up and down or inconsistent, you’re going to get some massive jumps in your distance control. And talking about the peak heights and things like that, one yard difference. I’m getting 30 yards peak height out of uh the S3 compared to 31. So slightly higher out of that S1. Not a great deal. You’re not going to see that off off probably your naked eye on the golf course. And then 150 yards out of that uh S3 compared to 154 yards out of that S1 from a carry point of view. So, interestingly, expected to see maybe a slight difference there, but I’m actually really happy that I’m seeing that consistency from the S3 into the S1, which I actually think could work really well if you were maybe looking at even comboing this particular set. Now, I’ve got to say when I first unboxed the S1 irons, my first impression was, “Wow, have I made a bit of a mistake moving into the S3s knowing that the S1’s were coming out.” But now, having been out on the golf course with them, I just get the feeling that actually we’ve got two irons here that performance-wise, I don’t feel a great deal of difference. I don’t certainly don’t see a great deal of difference when it comes to the numbers of them, but what I am seeing is that the S3 is going to give me just that little bit more confidence when it comes to performance out on the golf course. I’ve got a little bit of a bigger profile in its head. I’ve got a little bit more perimeter waiting than what I’ve got out of the S1’s. And numbers wise, actually very, very similar. So, it’ll be interesting to see how many players actually move into this S1 lineup. Um, I would probably say that the S1 lineup, if you’re looking at that, then maybe the S3 might just over a season give you a little bit more consistency with that extra perimeter waiting around the edge. But I’d like to hear down in the comments, will you be going out and testing either of these irons this year and putting them into your bag? I’ve got to say from a feel point of view, exactly what I would expect to see or feel from Mazuno. And the performance, well, they’re performing well for me and they’re definitely staying in my golf bag. But I’d like to hear down in the comments from you. If you are new to the channel, make sure you hit that subscribe button and I’ll see you again on the next video.
11 Comments
Good review, Dan. I’m not a good enough ball striker to use either of them. I need better player cavity back irons. Cheers.
Not changing my i210s any time soon (subject to large lottery win!) but if I had to the S3s would be high on the potential replacement list – not the S1s, pretty sure I am not good enough to play them
Pretty sure that I will not be testing these – they are a step up from my limited ability – but I will admit that they look amazing
M-13 looks like they’ll suit me more than these 2 😊
these looks so great, until u try them and have 7800 spin on an average strike with 54 decent angle… or toe them and they go 20 yards short…. in all fairness I tried the jpx923 tour, which in theory should be even easier… if they released a s4 and s5 I would be all over them… they look fantastic. Their lineup below this club is sort of a mess and in my option they need to streamline their lines and make combos easier, same looks etc.
always played a combo set and currently looking to do same here w these. Question, why did they have the pre worn leading edge on s-3 but not on the s-1?
They both look fantastic, best looking clubs out there IMO. I'll have to stick to the JPX's however, as I'm just not good enough to use either of these.
Golf club porn incoming
I wonder what they are going to do in the future for new irons. There's only so many things you can change year to year and only so many different words to describe pretty much the same thing
The S-3 irons are on my short list to test in 2026 as I look to replace my current set of blades.
I have a set of Mizuno MP-32s and I’m excited to put these head to head with S1-S3.