Another revolutionary fin designed from our collaboration with Kai Lenny, the Sprint is a very innovative racing fin with no precedent in the market. Short and powerful, the Sprint is a hi-performance fin ready to reach maximum speed on your racing board. Available in 4 sizes it is constructed with MFC Molded Carbon Foam-Core technology providing a very light fins. (Weight= 135gr/4.76oz. for the Sprint 5? and 120gr/4.25oz. for the Sprint 4?)