DescriptionOur calf sleeve is made of breathable material, exquisitedesign technology, light and elastic, good breathability, very durableand non-slip. The sleeve is designed to keep it tight and not off duringexercise. It's one of the best choice for you.Features- Material: Polyester, Elastic Fiber, Silicone - Size(M): About 30.00X10.00X0.10cm/11.79X3.93X0.04inch; (Upper Calf Circumference): 28-32 cm/11.02-12.60 inch; (Recommend Weight): 45-55 kg; - Size(L): About 30.00X10.00X0.10cm/11.79X3.93X0.04inch; (Upper Calf Circumference): 32-35 cm/12.60-13.78 inch; (Recommend Weight): 55-70 kg; - Size(XL): About 30.00X10.00X0.10cm/11.79X3.93X0.04inch; (Upper Calf Circumference): 35-40 cm/13.78-15.75 inch; (Recommend Weight): 70-90 kg; - Ergonomic design perfectly tackles the impact with comfort, easy to take on and off. - Adopt elastic design, which can fit your calf well, giving you a comfortable wearing experience. - The creative design can relax muscles, reduce fatigue, and make you more relaxed and comfortable. - Made of premium materials, lithe and durable, our calf sleeve has a long service life. - The workmanship of this product is perfect, and you will have a good experience in using it.