FCS II Modern Keel Twin Fin Set Variant:Performance Glass - Black The second key feature being

The second key feature being the snowboard inspired side cuts

and is dispersed into the single concave

Bottom-Durable Thermoformed ASA bottom skin-UV and heat resistant

A relaxed fit and on-the-knee length

color: #111

FCS II Modern Keel Twin Fin Set Variant:Performance Glass - Black The second key feature beingUpright keel template designed for traditional fish shapes. Lower sweep (rake) than most conventional, wider based keels which allows it to pivot in a really tight radius. High area and depth not only delivers a feeling of control when pushed harder on the open face, but helps to maintain tremendous speed through roundhouse cutbacks.