1. Sports calf protection socks and compression socks, made of 80% nylon + 20% spandex, good elasticity and high pressure 2. Meet safety standards, no fluorescent agent added, safe to wear 3. No fading or dyeing after entering the water, not easy to deform, etc. 4. 240-needle precision knitting technology 5. Applicable to multiple scenarios: essential for running/cycling/basketball/fitness
