The Sweet Protection Knee Guards Pro offer excellent protection while providing great ventilation and comfort while pedaling. Featured adjustable elastic adjustment to help the pads stay put. The perfect choice for more aggressive trail and enduro riding. Removable Level 1 3SVisco-elastic padHardens upon impact Durable pad pocket in front Ventilated and quick drying fabrics Gripper elastic on the inside Adjustable fit with Velcro closure Washable (hand wash) Materials Main fabric: 75% Styrene-butadiene rubber, 25 % Polyester Contrast fabric: 88% Polyamide, 12% Polyurethane 2nd Contrast fabric; 76% Polyester, 24% Polyurethane Fill; 100% Polyurethane Lining: 88% Polyester, 12% Polyurethane