This 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. Adoretex Jammer swimsuits hit above the knee and feature a compressive fit, adjustable drawcord waist and free range of motion. They are the perfect performance suits for athletes who want reliable coverage that won't weigh them down. Designed for men's and boy's swim racing and training. The Jammer features a non-slip, flat braided drawcord for a comfortable, secure fit. Made to the highest quality standards, and is an ideal choice for you.