Teratec protection is designed with the principle of right materials, right places. Primarily designed for enduro/all mountain, these guards offer level 1 impact protection while still offering maximum breathability and flexibility for everyday use. 100 Percent Teratec Knee Guard Features sleek slip on sleeves. Pre-curved chassis for attack position. Moderately padded with nylon anti-abrasion outer skin. Tacky silicone elastic webbing to prevent slippage. Fully ventilated rear mesh for maximum cooling. Impacted tested with level 1 protection. Ce en 1621-1:2012 level 1. Slip-On Sleeves | Pre-Curved Chassis | Nylon Anti-Abrasion Outer Skin