Foot Massage -- Tourmaline Acupressure Self Heating Shaping Socks uses high quality natural Hot spot by stimulating the acupuncture points of the feet to achieves a massage effect. Use our Socks is the natural and effortless way whilst you walk allowing you to enjoy new vitality and comfort. Multifunction -- Heated Socks Can Relieve Leg Fatigue, Relieve Pain, Regulate the Nervous System, Remove Moisture and Eliminate Odours, Eliminate Swelling of Legs and Feet, Peel off the Skin, Create Static Foot Massage, Regulate Blood Circulation. Non Slip Grip Design -- Featured by sticky dots on the bottom of the non slip yoga socks, our unisex anti skid socks offer better grip for improved stability & balance so that you can stay safe, avoid injuries and have better control of your body movements. Keep Feet Warm -- Made of high quality Polyester Cotton with the Characteristics of Soft and Comfortable, Has a Long Life.Fits the Curve of the Foot So That the Hot Spot is Close to the Sole Skin. Make Exercise Comfortable -- AFIZ Tourmaline Slimming Health Sock ideal for Outdoor Activities, Skiing, Snowboarding, Hiking, Hockey and Other Sports, which Automatically Warms Up in Cold Weather and Relaxes Your Feet. Tourmaline Acupressure Self Heating Shaping Socks, AFIZ Tourmaline Slimming Health Sock, Tourmaline Slimming Health Sock, Self heating Socks, Massage Socks for Unisex Specifications: Material: Cotton Color: Black, White, Red Type: Medium tube Size: One Size Package Included: 5 Pairs* Tourmaline Acupressure Self Heating Shaping Socks PLEASE NOTE Our socks are one size fits all, the bottom length is about 9 inches, with a certain amount of stretch, for your shopping experience, please pay attention to whether it is suitable for you to wear before buying.