50% Coolmax Nylon, 50% Polyurethane 4-Way stretch fabric; Machine wash warm with like colors. Line dry in shade, do not tumble dry. Do not bleach. Do not iron. Do not dry clean. * 5-point inner cup Targeted Support Web. * Seamless front panel construction with built-in 5 point CW-X Targeted Support Web in each cup * Wide reinforced band for extra suppor and iInternal stretch mesh channel under each cup for moisture management * Thailand