FCS K-Flex Thruster Fin Set

A unique balance between safety and uncompromised performance, the K-Flex was designed in conjunction with Kelly Slater and features his K2.1 template and foil. Constructed of composite glass flex core covered with a polyurethane elastomere which acts as a shock absorber while offering true performance and added safety.

Side Fins:

Base: 4.33in. - 110mm

Depth: 4.53in. - 115mm

Area: 15.23 sq. in. - 9824 sq mm

Sweep: 32 degrees

Center Fin:

Base: 4.28in. - 109mm

Depth: 4.41in. - 112mm

Area: 14.22 sq. in. - 9172 sq mm

Sweep: 31 degrees

Suggested Surfer Weight:

130-180lbs / 60-80 kg