Black socks that provide warmth. These socks are like a kotatsu! Instant purchase OK - Product Name: Warm Socks - Color: Black - Size: 23-25cm - Description: Socks that provide warmth - Usage: Measures against cold - Set Contents: 1 pair Precautions for use When washing, use a laundry net and wash with a neutral detergent. Also, the material has excellent heat retention, but pilling may occur due to friction during wear and washing. Although it is new and unused, there may be some loose threads as it is a foreign product. It will be shipped in a Yu-Packet Post mini envelope after being taken out of the original packaging. Autumn/Winter, Ladies, Cold Protection Black, Black, Gray, Pink Kotatsu-style, like Kotatsu socks