Glass Flex (GF) fins are molded from engineering grade polymer

Do not hold on to the Grip handle in the impact zone of any wave

The Rainbow® label is sewn to the outer right toe strap

enriching your sup surfing experience with unprecedented mastery

we want you to make the most of it with long pain free sessions

FCS II MARK RICHARDS TWIN + STABILISER FINS paradise tshirt Glass Flex (GF) fins areOverview Mark Richard's famous twin template produces exceptional drive and speed. The small stabilizer (centre fin) adds control whilst maintaining the freedom and manoeuvrability of a twin fin set up. Board Types Designed to fit the FCS II Fin System. Recommended for all board types including fish, funboard and twin fin boards.