Feet - The Second Human BrainFeet, Chinese medicine known as the second human brain. There with eight acupuncture points and 24 reflex zones on the sole of our feet, which directly affect the body's organs. So, keep feet warm and clean is very important.3mm Thick Surfing Socks - Perfectly Protect Your FeetOffering additional warmth for the feet while maintaining a traditional barefoot feel, have unibody construction and soft neoprene thermal lining. The surfing socks can give your feet a warm and comfortable environment. You can wear it to swim, surf, walk or run on the beach or use it as indoor footwear. Ankle sock design, four seasons all suitable.Type: Sports SocksGender: UnisexSeasons: Autumn,Spring,Summer,WinterColor: Black,BlueSize: 2XL,L,M,S,XLPackage weight: 0.107 kgPackage size: 25.00 x 13.00 x 4.00 cm / 9.84 x 5.12 x 1.57 inchesPackage Content: 2 x 3mm Swimming Sock Indoor Footwear for Scuba Diving Surfing Snorkeling Skiing