Description: Designed and Crafted with High Quality 7mm Neoprene and reinforced stitching Knee Sleeve - Both for Men & Women Built for High Performing Athletes For All types of Sports that requires heavy use of legs, effectively and collision. Compression calf sleeves to promote muscle recovery and injury prevention. Perfect for powerlifting, cross training, squats, weight lifting, volleyball, football, basketball, cycling, running, gym and other fitness workouts. Stay in place while exercising. Specification: Material: Neoprene Size Chart: Size S Front Lenght:Approx.25cm/ 9.84 inch Behind Lenght:Approx.18cm/ 7.09 inch Uoper Width:Approx.15.5cm/ 6.10inch Down Width:Approx.13cm/ 5.12inch Middle Circumference: 31-33cm/12-13inch Size M Front Lenght:Approx.24.5cm/ 9.64inch Behind Lenght:Approx.18cm/ 7.09inch Uoper Width:Approx.16cm/6.29 inch Down Width:Approx.14cm/ 5.51 inch Middle Circumference: 33-36cm/13 -14inch Size L Front Lenght:Approx.24.5cm/ 9.64 inch Behind Lenght:Approx.18cm/ 7.09inch Uoper Width:Approx.16.5cm/ 6.49inch Down Width:Approx.15cm/ 5.90inch Middle Circumference: 36-38cm/14-15inch Size XL Front Lenght:Approx.25cm/ 9.84 inch Behind Lenght:Approx.18cm/ 7.09 inch Uoper Width:Approx.17cm/ 6.69 inch Down Width:Approx.15.5cm/ 6.10 inch Middle Circumference: 38-43cm/15-17inch Package Includes: 1 Piece Knee Sleeve Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitors. Thanks!