Fast and smooth, with better hold and more squirt through turns, the M-series has a flexible tip for forgiveness and control at high speed.  Glass Flex offers the flex pattern modeled off a hand-foiled fiberglass fin and the ability to mold highly technical computer generated foils accurately.

Base: 4.37in.
Depth: 4.55in.
Area: 14.76sq.in.

All FCS fins can be ordered as singles. If you do not find the one you are looking for - email us and we'll get you what you need.


SINGLE FIN - PUT IN ORDER NOTES WHICH ONE YOU NEED, Left, Right or Center.

Determine Left or Right by standing at the tail of the board with the fins pointing UP. Left is on the left and Right is on the right with fins pointing UP!