Polyester mesh lines the inside which offers comfort and breathability Adjustable straps fasten with durable nylon elastic and velcro Shock absorbing Protium foam covered with 420 denier cordura nylon FlexForce FA30 forearm and elbow protector design provides substantial protection from blunt force trauma without sacrificing the fit or comfort. The modular connection between the forearm and elbow portions of the pad allows for flexibility of movement while using batons or weapons. Two piece hard Electrum XK8 outer shell provides flex needed by your forearm and elbow. Shock absorbing Protium foam covered with 420 denier Cordura nylon.