Extremely light and flexible, yet this all-new design provides superior protection and shock absorption with the flexibility to move the way your body moves. XTAK is the lightest, strongest product of its kind ever created. Unique X-shaped thermal plastic urethane shell, EVA high-density foam, lightweight TPU & Cordura nylon construction, CoolMax inner surface, anti-skid inner surface to keep pad secure, Spandex adjustable straps with Rapid Deployment Clips and hook and loop closure for secure fit.