Christenson Fg Keel RinseKit S-FOAM (Smart Foam) is made

S-FOAM (Smart Foam) is made of a non-Newtonian fluid that is soft and flexible at normal state

Suitable for longboards

Mick Fanning's signature FCS II MF fin in Neo Carbon material for fast power surfing

Adapt to varying conditions and riding styles with ease

Christenson Fg Keel RinseKit S-FOAM (Smart Foam) is madeThe Christenson Keel was designed with retro twin fins in mind. This keel template is the most upright keel in the Futures line. It allows for great speed and control down the line, making it one of the most versatile keels in the Futures line up. Side Fins Area 23. 42 Height 4. 91 Base 6. 50 Foil FLAT Angle 3. 0