Product Information Knee, tibia and femur protection in plastic and EVA padding. Air vents to increase ventilation of knee and shinbone. Pre-shaped, asymmetrical design for comfort and fit. Double pivot system to facilitate movement of the knee. Removable padding, soft and comfortable fabric, hypoallergenic and breathable. Adjustable, elastic straps with Velcro closure. EN 1621-1/2012 CERTIFIED. More