Wakizashi Monofin


Compact, lightweight, high performance carbon fiber monofin for professionals and hobbyists

Available on March 1, 2023

— OR  —

Swordfish 101

Swordfish is an evolutionary time machine back to when – and if – we used to be water dwelling. The Wakizashi is a well-rounded monofin. I don’t mean the wingtips of course, I’m talking about the versatility of it. Come on, hop in one and let me show you! Feel that?

– Not sure, what’s the feeling like?

Picture a fresh pair of running shoes comfortably chilling on your feet, but when you start swimming, the soft urethane cushion instantly starts behaving like a firm suspension layer between your feet and the full carbon monocock* to efficiently transfer power from your kick to the wing. Efficient power transfer is just a fancy way of saying the material doesn’t bend unnecessarily. Very, very rigid is what you want from a part connecting you and a wing – and that’s what you get.

Winging it

Now that you got the feeling, it’s about time I reveal that what you’re experiencing is called winging it: When you kick a stroke with a wing on your feet, you are pulling yourself towards the water in front of you then moving out of its way, letting it slip and get left behind. Onto the next body of water the wing goes.

A fair exchange

One would think you are tricking the water in front of the wing by signaling attraction, then not sticking by, just pushing it behind yourself. Don’t worry tho, there’s no free lunch. It’s a playful interaction where not only the swimmer benefits, but – during that short lived experience the water does too.

– How do I know it? It keeps coming back. The water comes – you go, you move forward. Kiss goodbye, repeat.

Our idea of a fair deal is this: you receive your swordfish in a box of 32 x 44 x 18 cm. Let that sink in. Or opt for positive buoyancy to stay afloat, get with the tide! The new trend is just a small backpack! Farewell to airport hassle, hello to diving trips with no check in baggage! Whether you dive deep, far, or just glide along, the Wakizashi will be a great diving companion with it’s 76 cm wingspan and super low induced drag.


One monofin for all occasions! Thanks to the 5 different swimming hardness settings on the Wakizashi, you don’t need multiple fins for recreational diving & training. Find the swim style that suits you most! Our fins are efficient in a wide range of swimming frequencies and amplitudes, so feel free to experiment and maybe even come up with totally unique moves.

Even more perks

Want to share a fin with someone with different feet? All of these parts are interchangeable with all other Wakizashi fins, meaning if you want to buy a complete fin, plus a different size feet section to use within a family – you can do that. If you lose or break one part you can replace it without having to buy a complete fin.


* Or better said mono foot? Or mono feet? Feet is plural, but if we join them together, it (or they) become(s) “one feet”… and like that, one feat after another, we worked our way through important questions before calling it even with Eden.
As a man, I must say it baffles me to think I spent so much time occupied with perfectly uniting feet for a better swim instead of swimming with what’s already singular.

Anyhow, we’re here now, two legs moving in harmony. For some of that time I considered the Swordfish project a stepping stone. But – unlike stepping – finswimming is best done with legs align for uniform movement. The stroke starts from the body, goes through two legs into one again, and finishes on the fin. Fish don’t split, but because we chose walking, when back in the water we must re-unify ourselves to move with ease.

Weight 1,4 kg
Dimensions 40 × 35 × 18 cm

Aqua, Blue, Gray, Green, Orange, Pink, Purple, Red, Yellow


36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47


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