SPEEDO Fastskin II Male Jammer (FSII) Adult Collection and our string back provides

and our string back provides the needed support with minimal coverage

The bag can contain swimming accessories and can be worn as a backpack

The Ideal Blend of Comfort and Durability

* Solid with double stripes on both sides

to provide unsurpassed drag reduction and a smooth

SPEEDO Fastskin II Male Jammer (FSII) Adult Collection and our string back providesSPEEDO Fastskin II Male Jammer (FSII) AdultSPEEDO Fastskin II Male Jammer (FSII)* FINA approved style Fully compliant with FINA rules.* Fastskin FSII, the most advanced and lowest drag racing swimwear in the world!* Inspired by the sleek, hydrodynamic properties of sharkskin.* Fastskin fabric mimics the rough shark denticles to reduce drag in key areas and features a Turbulence Management System.* Grey Flexskin fabric splices allow greater flexibility