★ Ships within 24 hours! ★ Brand new, unused ★ Free shipping ★ Immediate purchase welcome! Warms your feet from the core with the far-infrared effects of tourmaline! Self-heating health socks! A convenient and economical set of 2 pairs for easy washing✨ ◆ Product Features ◆ Tourmaline is embedded in the protruding parts of the soles of the feet to promote blood flow and prevent cold feet. Promotes blood circulation, eliminates waste products, regulates the autonomic nerves, and alleviates foot fatigue, pain, and swelling. The protrusions are arranged to gently stimulate the foot reflexology points, providing a relaxing effect (*˘ ˘*) The material is high-quality polyester cotton, soft and comfortable to wear♪ It is also breathable and has a deodorizing effect due to the tourmaline ◎ Great for winter leisure activities such as skiing and snowboarding, and outdoor activities such as camping♪ Makes winter outings comfortable, and using them at home helps save energy! Recommended for those who suffer from chronic cold feet and as a gift ♡ ⚠️ When using, please make sure the side with the protrusions is on the inside, touching your skin ⚠️ (In the photo, the protrusions are on the outside) 【Size】 Unisex Free Size 【Color】 Black ※Please note※ ✅ These are overseas products. We inspect them, but if there are any major defects or deficiencies, please contact us before evaluation or before the transaction is completed. ✅ Returns and cancellations due to customer reasons such as size or image differences are not accepted. ✅ Returns due to customer reasons are not accepted. ✅ We will use simple packaging to provide them at a low price. Thank you for viewing.