Feather Fins Rear Semi Keel 2026

Size Specifications

Hexacores and Ultralights HC:

FIN SIZE SMALL:

Base:4.28″ / 109mm
Depth:4.41″ / 112mm
Area:14.22″² / 9172mm²
Sweep:31°
Foil:Flat

FIN SIZE MEDIUM:

Base: 4.35″ / 110mm
Depth: 4.50″ / 115mm
Area: 14.62″/ 9434mm²
Sweep: 36º
Foil: Flat

FIN SIZE LARGE:

Base:4.49″ / 114mm
Depth: 4.67″ / 119mm
Area: 15.7″² / 10131mm²
Sweep: 36º
Foil: Flat

Fin Control Ststem PTY LTD. disclaimer

FCS Compatible Surf Fins. Our dual-tab «FCS» style fins fit original FCS fin boxes. Independently made, not linked to FCS Surf. «FCS1» shows compatibility, not copying. Sold under our brand, respecting IP rights.

FCS II Compatible Surf Fins
Our «FS2» style fins fit FCSII boxes. These fins are independently designed and manufactured by us, with no affiliation to Fin Control Systems Pty Limited or any other brand., not to suggest endorsement or replication of any trademarked or patented technology. Compatible base will need screws. Independently made, not linked to FCS Surf. «FCS II» shows compatibility, not a reproduction or imitation. Sold under our brand, respecting IP rights.

FS2 ( Fin Screws Two )
Compatible base will need two screws
Fins Key and screws FREE INCLUDED

Futures Fins LLC. disclaimer

Our single-tab «Futures» style fins fit Futures boxes. Independently made, not linked to Futures Fins. «Futures» shows compatibility, not copying. Sold under our brand, respecting IP rights.

Save the Ocean screw your fins!!

By screwing the fins to your surfboard, you prevent them from becoming harmful waste for the oceanic fauna reaching the bottom of the ocean, becoming «micro-particles» as food for the fish, those same fish that in the future you will be able to put in your mouth.