DescriptionThese compression socks can optimize blood circulation throughout the lower body to reduce swelling and muscle fatigue due to continuous standing, sitting or walking. They feature a non-binding design to offer superior comfort and utility without slipping. You'll feel refreshed and energetic when you have this pair socks on your legs.Features- Color: black and silver. - Material: Nylon and Spandex. - Size S: Suitable for the length of calves: 18-24cm; Length of the leg guard: 18cm. - Size M: Suitable for the length of calves: 24-29cm; Length of the leg guard: 24cm. - Size L: Suitable for the length of calves: 29-37cm; Length of the leg guard: 29cm. - Size XL: Suitable for the length of calves: Greater than 37cm; Length of the leg guard: 37cm. - Made from nylon material. and breathable to wear with good elasticity and strong durability. - Designed to relieve stress and help relax your calf muscles to reduce fatigue and swelling. - Suitable for both sports and casual wear. Elastic design to better fit your calf for comfortable wearing. - You can wear it for sports like basketball, football, running, exercising, etc. - Perfect to protect your calf from hurts. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!