Characteristics: Non-slip Design Adjustable compression Breathable material Extra Strength Fasteners Specifications: Material: Spandex + Polyester Season: Any Gender: Unisex Size: M / L / XL Color: black / blue / green / pink / gray / black / white / red / rose red / orange Size M: Length 29cm / 11.4inch, Upper arm diameter 26-32cm / 10.2-12.6 inch, Lower arm diameter 16-19cm / 6.3-7.5 inch. Suitable weight: 45-65KG. Size L: Length 30cm / 11.8inch, Upper arm diameter 28-34cm / 11-13.4 inch, Lower arm diameter 18-21cm / 7.1-8.3 inch. Suitable weight: 65-75KG. XL size: Length 31cm / 12.2inch, Upper arm diameter 30-39cm / 11.8-15.4 inch, Lower arm diameter 20-23cm / 7.9-9.1 inch. Suitable weight: 75-100KG. Characteristic: 1. Professional Grade Material: These leg compression sleeves are made of premium compression fabric, breathable and odor-proof - Polyester and Spandex. Spandex has superior compression characteristics to maintain firm pressure on the calves. Polyester allows air to circulate to the skin while allowing moisture to drain away. 2. Pain relief and increased recovery: If you've ever had shin splints, you know the uncomfortable pain they can bring. Our calf compression sleeves have graduated compression reducing muscle vibration, reducing fatigue and muscle pain, it can also be used as recovery sleeve, improve blood circulation helps oxygen starved muscles recover much more faster than normal. 3. Increase performance: Warm up your legs before exercise, it is known that hot muscle is less likely to be injured, faster blood circulation and extra support that our leg compression socks provide will improve your athletic activities. 4.Suitable for All Sports: These shin splint compression sleeves help alleviate shin splints, prevent calf cramps, protect legs from minor scratches and bumps. A must have for sports activities that involve a large amount of stress on the calf like: Marathon, Walking, Jogging, Running, Hiking, Fitness Training, Basketball, Cycling, Weightlifting and more. 5. So comfortable you won't even know you're wearing them. It is clean, durable and fashionable, Spandex calf sleeves are reflective for night time activities. Main advantages: Pressure reduction, Sweat protection, breathable Improve Muscle Endurance Prevent Calf Thickening Assistant to Muscle Strength Stimulates circulation and helps you recover faster Protects from minor scratches or rock, knocks It doesn't matter if you are a cutter, a nurse, pregnant or just have occasional leg pain, our Leg Compression Socks are just what you need Our calf compression sleeves offer greater compressibility, which improves circulation, reduces muscle vibrations which frequently cause muscle pain or varicose veins. It also gives you more energy for greater endurance and improved performance for walking, running, hiking, cycling or playing ball games. The package includes: 1 piece * Calf Compression Sleeves Note: You will just get 1 piece, if you need a pair = 2 pieces, please choose quantity 2.