This is a knee, which is manufactured with , durable and practical enough to use. Reasonable pressure design can effectively protect your knees. Great for wearing in running, football, basketball, badminton, cycling, mountain climbing, etc. it can keep warm and prevent knee injuries. Features -Color: Blue -Material: Spandex, nylon, latex silk -Size S: About 28.00X14.00X12.00cm/11.00X5.50X4.72inch (recommend calf circumference: 30-35cm; recommend weight: 40-50kg) -Size : About 28.00X15.00X13.00cm/11.00X5.89X5.11inch (recommend calf circumference: 35-42cm; recommend weight: 50-65kg) -Size L: About 28.00X16.00X14.00cm/11.00X6.29X5.50inch (recommend calf circumference: 42-52cm; recommend weight: 65-80kg) -Size XL: About 28.00X17.00X15.00cm/11.00X6.68X5.89inch (recommend calf circumference: 52-57cm; recommend weight: 80-95kg) - This knee is lightweight, comfortable and washable. It is designed for maximum breath ability and comfort. - With ergonomically designed to promote correct knee movement as to prevent injury. - It's effectively keeping your knee warm, lubricating your joints. This stabilizing effect reduces stress and risk of injury. - Widely used in many sports such as weightlifting, basketball, running, volleyball, tennis and more! - It supports the movement of the knee during sporting activities through gentle, beneficial compression which alleviates the effects of overuse and high impact and protects against too much strain on the knee. Package list: 1 x Knee Pad