#Kiribai #Kobayashi Pharmaceutical #ColdFeet #HeatRetentionFiber #MoistureAbsorbingAndReleasingFiber #ThermalSocks #Socks #LegWarmers #UltraThin #ValueSet Ultra-thin socks specifically designed for cold feet, knitted with heat-retaining fibers that trap air. These regular socks use a "thermos-like concept" to cut off cold air and trap the heat of your feet. 900 yen per piece. Manufacturer: Kiribai Chemical Co., Ltd. Distributor: Kobayashi Pharmaceutical Co., Ltd. Country of Origin: China Material: Acrylic, Polypropylene, Wool, etc. Color: Black Size: 23-25cm Thickness: Approximately 1mm (Ultra-thin) Features ・Thin yet warm due to the use of special heat-retaining fibers ・Two-layer construction for comfort without stuffiness Reference Price: ¥······ ※ Do not use a dryer. ◆ We do not sell individual items. The above price is for a set of two. ◆ The reference price is based on the lowest new price from major online retailer A (as of October 8, 2025). ◆ We have set the price after careful consideration. Please refrain from price negotiations. ◆ Please understand that these are unopened new items before purchasing.