Great knee protector for outdoor sports. Features: Made of nylon and spandex, sweat absorbent, breathable and comfortable. Anti-slip silica gel strip and flexible fabric let you move with freedom. 360 protection can effectively prevent leg muscle strain, reduce pain. High elastic and soft, comfortable to wear, easy to wear and take off. Protect your knees from high impact activities and sports. Great accessory for all sports activities, such as running, hiking, cycling and ball game. Specification: Material: Nylon + Spandex + Silica Gel Color: Red/Black/Grass Green/Sky Blue/Orange (optional) Size: M/L/XL (optional) Package Size: 28 * 15.5 * 3cm / 11 * 6.1 * 1.2in Package Weight: Approx. 150g / 5.3oz Package List: 1 * Pair of Knee Pads NOTE: Please use Size Chart to ensure correct fit.Details please see the size chart.