Material: 69% Polyamide, 31% Elastane Movement is always on-trend. That’s why this new Smart highleg brief has a seamless construction that allows total freedom of movement. It moves with you thanks to flex inserts that expand and contract with the body. The soft, recycled fabric offers a thermoregulating effect. Machine wash 4?C (15?F),do not iron,Do not bleach,Do not dry clean,Do not tumble dry