Foot Massage -- Sock 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 -- Winter Warm Socks Ideal for Outdoor Activities, Skiing, Snowboarding, Hiking, Hockey and Other Sports, which Automatically Warms Up in Cold Weather and Relaxes Your Feet. Specifications: Material: Cotton Color: Black, White, Red Type: Medium tube Size: One Size Package Included: 3/6 Pairs Sock About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 15225 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.