Everlast Amateur Boxing Trunks! Full length, lightweight polyester design for enhanced breathability and range of motion. • EverCool™ technology regulates body temperature, keeping you cool during active performance. • 3" elastic waistband ensures a snug fit with or without a cup. • Fabric content: 100% Polyester. • Care instructions: Wash inside out; machine wash cold; tumble dry low; do not bleach; do not dry clean; do not iron if decorated.