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Nothing can hold you back wearing the FINA approved Speedo® Men's FSII Jammer. This suit features Fastskin® technology to reduce drag in key areas and features a turbulence management system. The muscle compression components reduce muscle vibration which in turn help save energy and reduce drag. You will surge to the finish line with the Speedo® Men's FSII Jammer.
FINA approved to be fully compliant with the new FINA rules that came into effect January 2010
Fastskin® FSII is the most advanced and lowest drag racing swimwear in the world to date!
Fastskin® fabric mimics the rough shark denticles to reduce drag in key areas and features a Turbulence Management System
Muscle compression components reduce muscle vibration to save energy and reduce drag