Glass Flex (GF) fins are molded from engineering grade polymer. The flex of these fins has been designed to help novice surfers maintain speed and acceleration as they learn to execute turns and maneuvers.
X-SMALL (Under 55Kg / 120 Lbs)
SMALL (55Kg - 70Kg / 120 - 155 Lbs)
MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)
LARGE (75Kg - 90Kg / 165 - 200 Lbs)
X-LARGE (Over 85Kg / 190 Lbs)
View the FCS Fin Data page for Base/Depth/Area/Foil information.