Loading... Please wait...Fastskin FSII uses two different fabrics-Fastskin and Flexskin - to accommodate different flow characteristics across the body and reduce drag through the water. Through extensive research Speedo has identified optimum positioning for the Turbulence Management System which reduces drag. A unique 3D titanium silicone scale applied to the inner forearm Flexskin panel. This allows the swimmer to neutralize the effect of the suit (ie. feel the water). Fastskin II Recordbreaker