1 Pair Calf Heel Compression Guards Leg Warmers Sleeves for Running Cycling Specifications: It can protect both ankles and calves with a dual purpose. Fabric is thick and comfortable to keep warm. Elastic design is comfortable to fit and stretch freely. Calf guard is full of elasticity, suitable for various leg types. Anti-skid seaming design give you intimate protection. Item Name: Calf Guard Material: Nylon Yarn, Spandex Yarn, Rubber Band Features: Elastic, Comfortable, Durable, Warm, Easy to Use Size: [Our Size M] Upper Circumference: 12cm/4.72", Bottom Circumference: 9cm/3.54", Length: 28cm/11.02" (Approx.) [Our Size L] Upper Circumference: 13cm/5.12", Bottom Circumference: 10cm/3.94", Length: 28cm/11.02" (Approx.) [Our Size XL] Upper Circumference: 14cm/5.51", Bottom Circumference: 10.5cm/4.13", Length: 28cm/11.02" (Approx.) Thickness: 3.8mm/0.15" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Calf Guards