Size Chart: M---Thigh Circumference: 34-38cm /13.4-15inch L---Thigh Circumference: 38-42cm /15-16.5inch XL---Thigh Circumference: 42-46cm /16.5-18inch XXL---Thigh Circumference: 46-56cm /18-22in more→ch Please measure your thigh circumference 7 inch above your kneecap. Product Description Weight: about 120g per piece Color: Black, Green, Blue Material: Spandex 25%, Polyester 33%, Nylon 42% Size: M, L, XL, XXL Suit for: Men, Women, Adults, Male, Female, Teenagers, Boys, Girls Applicable Scene: Running, Climbing, Golf, Basketball, Football, Soccer, Volleyball, Tennis, Badminton, Mountaineering, Hiking, Cycling, Biking, Weight Lifting, Yoga, Sports Fitness and so on Please allow 1-2cm