Under Armour MPZ-2 Stealth System Men's Football Girdle 82% polyester, 18% elastane Over-the-knee girdle provides full leg protection Lightweight, breathable MPZ padding protection for hips, knees and tailbone with superior impact qualities; Modular Protection Zones: Durable, lightweight protection at key contact points don't sacrifice needed compression support HeatGear technology keeps you cool and dry Foam pad technology transports moisture and dries quickly, with unmatched impact absorption and recovery