70% Polypropylene 30% Spandex * ZoneRx - Muscle specific zones of compression stabilize the hamstring and quadriceps and reduce muscle damage * Machine wash cold, Gentle cycle, No softeners, Dry Flat, Do not bleach, Do not dryclean * CRx - Graduated compression from the knee to the waist that helps remove lactic acid improve blood circulation back to the heart; SynchroRx Polypropylene and Silver tech provide moisture wicking * 99.9% antimicrobial protection keeping the lower body dry and cool; Dynamic X Proprioception panel provides superior pelvic support and body positioning