WL Knee Sleeve, 5 mm 5 mm Neoprene For Functional Fitness Durable Construction Size Chart Knee Sleeve Size Chart - Weightlifting Measure the circumference around the calf, about 15 cm below the middle of the knee. Range of Sizes S: 33-35 cm | M: 36-38 cm | L: 37-39 cm Comfortable Support 5 mm thick neoprene balances comfort and support for optimal performance across a wide variety of exercises. Support for a range of training The firm yet flexible support is great for a wide variety of movements including squats, thrusters, snatch, clean and jerk, and walking lunges to name a few! Product Care Can be machine washed inside out in cold water. Functional and stylish knee sleeves designed to meet the professional athletes' high demands. Made of 5mm thick neoprene, the sleeves help stabilize the knee joint under load, protects against stress and keeps joint warm.