Knee Support Guard Protector Safety Pad for Motorcycle Motobike Motocross Racing Rider Extreme Sports Protective Gear - Black .MATERIAL: PE hard shell and soft EVA padded .ADVANTAGE: superfine fiber lining and breathable design for comfort wearing .ARTICULATED PROTECTOR: follows the movement of the knee joint .ADJUSTABLE ELASTIC ELASTIC STRAPS CLOSURES: fit for any people in youth age .PROTECTING YOUR KNEES FROM INJURED: appropriate for inline skating and riding bikes and scooters and other extreme sports