Knee Pads of Comfortable, Soft, Breathable and Flexible 1.Made of soft and breathable fabric, durable and skin-friendly, comfortable to wear and easy to carry. 2.Absorbent fiber wicks away moisture quickly. 3.Anti-collision pad can disperse the pressure of the joints. 4.Good elasticity prevents the knee compression sleeve from rolling, sliding or slipping down. 5.Suitable for multiple sports, can be used for dance, training, fitness, ball sports, etc. 6.hand wash with water temperature under 40, or soft machine wash, natural dry, not ironing, do not use detergent and bleach. Product Details Material: Polyester, EVA pad inside. Weight: X-Small 0.16lbs, Small 0.18 lbs, Medium 0.2 lbs, Large 0.23 lbs. Package: 1 pair of knee pads. Size X-Small-length:7-9 inches; knee pads for kids (4~7 years old) Small-length: 9-13 inches; knee pads for kids (7~12 years old) Medium-length: 11-18 inches; knee pads for adult (88~143 lbs) Large-length: 13-21 inches; knee pads for adult (144~198 lbs) Tips for Measuring 1. Use a flexible tape measure. 2. Stand up and straighten the leg. 3. Measure 4inches/10cm above the kneecap. item NO.1916956796