back on track luchtstroom peesbeschermers zwart 00cShockproof material around the back of the tendon to minimize the effect of knocks. Welltex to enhance blood circulation and support tendons and joints. Air tech for maximum breathability. 3D mesh technology for breathability and strength together with innovative perforated shock absorbing foam. Vented air holes along the tendon and on the sides. Solid Straps with hook and loop fastening for a good hold and an individual fit. The straps can also be