Thermotech Performance Single Fin Board Covers while the extra rail length

while the extra rail length allows you to hold a turn in longer

Designed to ​fit twin Fins and Funboards

I'd simply say it's made to make you forget it's there

the TB has a double-barrel concave set within a single concave under the front foot

Designed with square tread

Thermotech Performance Single Fin Board Covers while the extra rail lengthFutures Performance 7 Thermotech, utilizes an all around template shape and can be used as a stand alone center fin, or combined with side bites to be used as a 2 +1. Thermotech fins do not have the traditional plastic feel of a composite fin. Instead, they have a consistent flex that creates drive and release through turns. Thermotech fins come with the Futures Truss Base, making them lighter and stronger Template Category Performance Longboard