2025 KT Ginxu Super K Review | Why This Isn't Last Year's Board

Mid-length, or "midi" boards, have gained a lot of traction in the past couple years. They're versatile and often make a great second board for progressing foilers. The KT Ginxu Super K was released last year, and it was one of Tucker and Jeff's favorites. So how does the 2025 model stack up? Has anything changed?

Actually, yeah. Pretty much everything has changed, other than its classification as a mid-length board. It's a great board for the right rider, but if you loved the 2024 model and are looking at picking up the 2025, you'll want to be aware of what's new and whether it's still a good fit for you.

New Shape

The concept for the Super K has been completely reimagined. For example, the 70L for 2025 is shorter, narrower, and thicker. The step bottom is gone, which is a good thing for Foil Drive users, and it has a bulbous nose and no cutout in the back. The 2024 70L was 5'11 x 20.5", where the 2025 70L is 5'8 x 19.5", and the difference is noticeable on the water.

If you stick with the same volume, you'll notice that the 2025 feels smaller and less stable. However, it does just fine getting up to speed thanks to its bottom shape. You've got less space for your feet, especially since the pad doesn't go to the edges, but Jeff had no trouble finding the sweet spot. It's so well-balanced and lightweight that once he was up on foil it felt like the board disappeared underfoot, so the smaller deck wasn't an issue.

Who's It For?

Jeff felt very confident recommending the 2024 70L Super K to intermediate riders looking for a one-board quiver. It was stable with just enough forgiveness. This year, he'd have them size up. The 2025 70L requires you to be more dialed in with your stance and is better suited for advanced riders. It still planes well and gets up on foil quite easily, but you'll need a bit more skill to stay balanced.

You may also wish to size up if you ride in light wind a lot. Although the volume is still there, it's mainly in the thickness rather than the length or width. Your weight in Kg plus 15 or 20 will be about right on the 2025 Super K if you'd like a crossover light wind, downwind, and wing board. So long as you size up, the Super K is still a great do-it-all board.

However, if you're an advanced rider who likes to rip in waves and ride aggressively, you may actually want to size down from what you rode last year. The extra thickness makes the board a bit corky in the water, and you'll want to be able to lower your center of gravity by having the board sit a little lower in the water. The board has an efficient shape and rocker line and will have no trouble planing and getting you up on foil.

Other sports can have a lot of fun with the Super K as well. The 70-90L range are great boards for parawinging. Boards 70L and under will be perfect for Foil Driving, especially now that the step is gone from the bottom and signal-friendly . There isn't a lot you can't do on a Super K as long as you choose the right size.

Other Changes

The marbled graphic uses less paint, helping reduce the weight of the board, and it does feel a bit lighter than last year's. It's also got a new dual density construction with a lightweight core and high density outer shell. This is great for helping prevent dings and keeping it from absorbing water if you do ding it. It adds a nice stiffness to the board, and because it's not flexing as much, the lifespan of the carbon is going to be extended.

The shape is also very true to spec because the blank is now blown into a mold. It's a great innovation that means every board consistently meets the designer's vision. It also results in less waste, which is a huge plus since as a group we tend to care about being as eco-friendly as possible. It's a faster production as well, so we're getting a higher-quality board at a price that's more affordable than comparable boards.

Design Features

The track is very well-placed. Jeff normally rides a bit forward of center, but he had his mast right about in the center on this one. It's long enough to accommodate riders and foils that like to ride further forward or back. If you like more board in front of your feet, or you like to have less board swing, you'll be able to do that.

The rocker line is part of why this board is so fast and gets you up on foil. It's got a low entry rocker that blends into a double concave, finally flattening out into the track area and finishing with a bit of kick in the tail to help it release and rock up onto foil. There is plenty of tail behind the track box to get you the leverage you need. It's clear that KT is a surf shaper with that sort of attention to the curves and blending the rocker line into something so fast and efficient. This makes the larger sizes great for light wind and the smaller sizes great for ripping waves.

Summary

If you want to size down your foil and rip waves, the Super K is going to allow you to get up on foil with a smaller wing. That's the magic of the midi size: it's a longer board over 5'5 that'll give you the efficiency you need, but it's also narrower to reduce drag and give you more speed.

When the midi shape was first introduced, they were considered a one-board quiver that could do anything. Now we're starting to see these evolve and specialize. You can still buy the right size Super K for that one-board quiver for the intermediate rider, but now some sizes are geared toward advanced riders who want more performance with the advantages of a midi board. Just make sure you pay attention to your stance and how much leverage you'll want over your foil since you do have increasingly limited real estate for your feet as you size down.

As long as you understand that this is not the same board as last year's model and adjust your sizing accordingly, you'll still find it to be an extremely enjoyable board. For high-end riders with the budget for it, there's also a Pro Carbon version that's even lighter and stiffer than this one, but most riders will be more than happy with the construction of the standard carbon version.

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