Striking that ideal balance of comfort and protection, the Sweet Protection Knee Guards Pro helps keep our knees safe while providing exceptional breathability and mobility on the trail. The removable Level 1 3S Visco-elastic padding hardens upon impact, so our movement isn't restricted while pedaling, while lightweight and highly ventilated materials throughout promote a continuous airflow. This guard uses gripper elastic on the inside and improved articulation to ensure the protection stays put all ride long.Comfortable, protective knee guards for enduro and trailRemovable Level 1 3S Visco-elastic pad hardens upon impactDurable pad pocket in front keeps things secureVentilated and quick-drying fabrics maintain dry comfortGripper elastic on the inside and adjustable straps secure fitMaterial[face fabric] 75% styrene-butadiene rubber, 25% polyester, [contrast fabric, lining] 88% nylon, 12% polyurethane, [pad] Level 1 3S Visco-elastic padClosurehook-and-loop, gripper elasticProtection AreakneeClaimed Weight355g (12.5oz)Activityenduro, trailManufacturer Warranty2 years