Kiribai Foot Warm Socks High Socks Thick, Specifically for Cold Feet, Black, Free Size, 2 Pairs ◎ Unopened ◎ Immediate purchase OK ✨ ★ Please refrain from selling individual items or price reductions for this product. ✎︎＿＿＿＿＿＿＿＿＿＿＿＿ 【Product Description】 ◆ Socks from a Hot Compress Company These socks are knitted with heat-retaining fibers that excel at heat retention, providing excellent warmth for cold feet. ◆ Confident in Heat Retention! Even when compared to wearing multiple pairs of socks, these socks raise foot temperature by over 2°C, providing ample warmth with just one pair. ◆ The Secret to Heat Retention Lies in These Fibers They use "heat-retaining fibers" that trap air within each fiber. This achieves high heat retention, like a thermos. Black, Free Size Thermal High Socks, Thick High socks from the toes to below the knees Size Guide: 23-27cm ✎︎＿＿＿＿＿＿＿＿＿＿＿＿