The FCS M-5 is a medium size fin with engineered flex pattern and superior tip response.

Glass Flex has been formulated to replicate the flex and memory properties of hand laid fiberglass.  

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.

FCS has developed a partnership with The Sea Turtle Conservancy.  100% of all profits made by FCS from the sale of these fins will be donated directly to The Sea Turtle Conservancy.