F4 Thermotech Tri Fins Size:S the unique D-Ring mechanism is

the unique D-Ring mechanism is a simple and highly effective way to strap your boards down

There's no hips or wings in the Pyzalien 2 to keep the outline nice and simple

pre-mounted with size L wings and M gels

The full nose provides stability for landing airs

F4 Thermotech Tri Fins Size:S the unique D-Ring mechanism isThe F4 Thermotech from Futures is a small sized thruster that does not have the traditional plastic feel of a composite fin. Instead, they have a consistent flex that creates drive and release through turns. Features Template Category Neutral (balanced, all around) Construction Thermotech Size Small (47 70 kgs)