DescriptionThis calf sleeve is designed with comfort in mind and draw sweat away from your skin to keep you cooler and drier while you workout.It can compress the deep layer muscles and tissues in the human body, promoting blood flow and improving the energy transfer of the athletes' muscles.Features- Color: Black. - Material: Composite elastic fabric,skid silica particles. - Size M: 50cm(Length); Size L: 52cm(Length); Size XL: 54cm(Length). - Matched with zipper design, it can be freely adjusted. - Made of a composite of windproof fabrics, excellent warmth retention. - The palm is with skidproof design. - Thumb & index fingertips with conductive fabric so you can use your phone at all times. - Fleece lining, it is and comfortable. - Suitable for skiing, cycling, travelling and other outdoor activities.