FCS M-5 in the side paired with FCS G-X centres in the rear.

FCS Glass Flex Quad Fins



This versatile quad (4 fin) set is highly manoeuvrable and promotes smooth transitions between turns. Favours high speeds due to the 50/50 foil on the rear fins.


Ideal Conditions

A wide range of conditions from beach breaks to point breaks.


Board Types

All board types.


Glass Flex

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)