Gray socks that provide warmth. These socks are like a kotatsu! Instant purchase OK - Product Name: Warm Socks - Color: Gray - Size: 23-25cm - Description: Socks that provide warmth - Usage: Measures against cold - Set Contents: 1 pair Usage Instructions 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 new and unused, these are overseas products, so there may be some loose threads. To reduce shipping costs, the socks will be removed from their packaging and shipped in a waterproofed envelope via Yu Packet Post Mini. Autumn/Winter, Ladies, Measures against cold Black, Gray, Pink Kotatsu-style, Like Kotatsu Socks