TYR Men's Durafast Elite Solid Jammer Swim Suit 94% Polyester 6% Spandex Made in the USA and Imported The Durafast Elite Solid Jammer features Durafast Elite, TYR's most advance performance and training fabric. Durafast Elite performance and training fabric Able to sustain 300+ hours of use Durable flexible and comfortable Drawcord waist for a secure fit