5.2 oz 81% PlayDry Polyester/19% Lycraå and the mesh is 79% Tactel Nylon/21% Lycra. Tight, sleek fit gives the feel of working out with an extra soft armor. Side panels and back are constructed with performance stretch mesh for increased breathability and comfort. Flat lock stitching creates seamless feel and decreases chances for irritation. PlayDry fabric offers ultimate moisture management and wicking properties.