size: one size Weight: 130g a pair Material: sponge and elastic Colour: Black Benefits - knee sleeves are featured with that effective in providing stable pressures to stabilize and support your knee; The braces also keep your knee warm and reduce stiffness; they are the best companion for your workouts and daily activities SPORTS - Suitable for all activities and exercises that involve a great amount of stress on the joints like running, bicycling, hiking, basketball, football, soccer, volleyball, golf, tennis, skiing, weight training and other sports Optimal Comfortable Compression - Well-balanced between compression and comfort, these braces disperse the pressure and improves circulation around your knee area. Whether youre walking the dog or doing exercise, the braces provide you an adequate compression without restricting your movements A PERFECT ADD-ON TO YOUR HOME GYM - Keep doing exercise at home, drink plenty of water, and sleep well to boost your circulation and help you stay healthy. Due to the individual difference in leg shapes, BMI, and other factors, the sizing issue like slide down, bunch up could happen. If this is your case, or you are not satisfied with your purchase, please don't hesitate to contact our customer support. We will more than happy to assist you!