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The fin blade is made of top quality Polyurethane material that provides a quicker response to movement over rubber and plastic fins.

Vortex Generator

Six (6) performance ridges positioned behind the blade vent reduce resistance, creating a smoother and more efficient kick cycle. Read more

TUSA Direct Reflect

This advanced reflective material brightly reflects 180° back to the original light source. Providing high visibility in low light conditions.

Active Pivoting System

The combination of uniquely positioned holes that reduce drag while maintaining constant propulsion and the built-in fin stop creates a soft kick that produces great power. 

Anatomic Fin Strap

TUSA open-heel fins are equipped with a newly designed Anatomic Fin Strap (AFS).  The AFS is anatomically shaped to offer a balance of flexibility and control to increase comfort, power transfer and to significantly reduce heel slippage found in many standard flat fin straps.

Angled Blade Design (A.B.D.)

A standard flat fin inhibits propulsion solely by fault of design. An angle between the heel of the foot and the calf of the leg remains when the leg is extended to kick. This angle causes approximately 10% of the propulsion to be lost. The Angled Blade Design accommodates for this anatomical characteristic and ensures maximum efficiency throughout the kicking cycle.

Bungee Strap

The heavy duty elastic fin strap provides easy donning and doffing of fins. 

EZ Strap and Buckle System

TUSA's EZ strap and Buckle System allows fins to be quickly and easily adjusted with minimal effort. Adjustment can be made while the fins are worn, allowing for a precise fit and ease of removal when necessary.

ForcElast

A proprietary thermoplastic elastomer (TPE) compound precisely positioned in an advanced blade and foot pocket structure.  FoceElast delivers superior propulsion, efficiency and speed even with moderate power input.  ForcElast technology is found in TUSA high performance fins like the SF-22 and FF-23.

H.B.S. (Hybrid Blade System)

The patented Hybrid Blade System offers unparalleled propulsion, efficiency and power transfer in a multi-compound design. The H.B.S. is composed of incredibly stiff side rails and an ultra-responsive membrane blade giving unlimited kicking potential.

Propeller Technology

TUSA’s advanced split fins employ Propeller-FinTM Technology, which delivers ultra-high performance with a low amplitude rapid flutter kick. As the fin moves through the water its two wing-shaped surfaces create lift and forward propulsion like a propeller. Any water traveling over the top of the blade is funneled into and out of the split between the blades. Efficiency is increased while drag and effort is reduced.