Unique X-shaped thermal plastic urethane (TPU) shell EVA high-density foam for superior shock absorption Lightweight TPU and Cordura nylon construction Forceful spring-back action that gives you the protection you need Cool Max inner surface for wicking moisture away Anti-skid inner surface to keep pad secured Spandex adjustable straps with Hatch Rapid Deployment Clips and hook & loop closure for secure fit The XTAK Knee Pads are extremely light and flexible and provide superior protection, while remaining flexible enough to move the way the body moves. Thermal plastic urethane (TPU) shell with a Cordura nylon construction and the EVA high-density foam offers superior shock absorption. The CoolMax inner surface wicks away moisture and the anti-skid inner surface helps keep the pad secured. Hatch Rapid Deployment Clips with hook and loop closure for secure fit. One size fits all.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }