Peleustech Knee Support Guard Protector Safety Pad for Motorcycle Motobike Motocross Racing Rider Extreme Sports Protective Gear - Black .PE hard shell and soft EVA padded material, superfine fiber lining and breathable design for comfort wearing .Knee armor protection .Articulated protector follows the movement of the knee joint. .Multiple adjustable elastic straps and nylon button closures for secure fit for various knee girths .Great for Motorcycle motorbike, also appropriate for inline skating and riding bikes and scooters and other extreme sports