80% Coolmax, 20% Lycra - 4-way stretch Tricot fabric; 80% Polyester, 20% polyurethane - Inner cup Targeted Support Web; 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. * 4-way stretch Coolmax tricot fabric. * Wide stretch band for extra support and back hook and clasp closure for convenience * Thailand