New with Tags, TYR Men's Durafast Elite Voltage Allover Jammer Swimsuit, Blue and Green, Size 32, $55. TYR Men's Jammer Swimsuit Stays a step ahead of the competition. Constructed with TYR's most durable textile, Durafast Elite the SVH7A performance swimsuit utilizes high denier poly fiber and innovative circular knit construction to combine the strength and colorfastness of polyester with the comfort of spandex. TYR jammer swimsuits stop above the knee and feature both a compressive fit and adjustable drawcord waist. Drawcord waist for a secure fi t300+ Hours of Performance UPF 50+Chlorine Proof 94% Polyester, 6% Spandex Lining 100% Polyester See TYR Size Chart in Photos.