Body: 89% polyester/11% spandex; crotch liner: 63% polyester/27% cotton/10% spandex Imported Powerful 3.5-inch waistband supports, resists chafing and stays in place. Embossing inside the waistband increases air flow for cooler comfort. Made with PowerFlex 4-way stretch to move with you. Moisture wicking fabric lifts sweat away from skin. Reflective C logo on hem. 32.5-inch inseam.