Item Type: Calf Compression Sleeve Material: Nylon, polyurethane Function: Breathable, shaping, sweat absorption, anti-friction Size Chart: SizeLength Upper WidthLower Width Single Sided Thickness S 25.5cm / 10in 10cm / 3.9in 7.5cm / 3in 0.1cm / 0.04in M 26cm / 10.2in 10.5cm / 4.1in 9cm / 3.5in 0.1cm / 0.04in L 26cm / 10.2in 12.5cm / 4.9in 9.5cm / 3.7in 0.1cm / 0.04in XL 27cm / 10.6in 13cm / 5.1in 10cm / 3.9in 0.1cm / 0.04in XXL 28cm / 11in 14.5cm / 5.7in 10.5cm / 4.1in 0.1cm / 0.04in Package List 1 x Pair of Calf Compression Sleeve (2pcs) Please allow slight size error due to manual measurement. Thanks for your understanding. 1Adopts high quality nylon and polyurethane fabric, soft and skin friendly, thin and comfortable to wear. 2Sweat absorbent, appropriate tightness, with good elasticity and strong toughness, breathable and anti friction. 3Tighten the legs, help shaping your legs, simple and elegant appearance, very suitable for women to wear. 4Easy to put in and take off, exquisite workmanship, foldable design, light weight and compact, easy to store and carry. 5Perfect for different occasion such as gymnasium sports, outdoor activities, hiking, running, daily use, etc.