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. To reduce shipping costs, we will take it out of the bag, waterproof it, and ship it via Yu-Packet Post mini. Autumn and Winter, Ladies, Cold Protection Black, Black, Gray, Pink Kotatsu-style, like Kotatsu socks