Kiribai Foot Warm Socks That Don't Get Cold - Toe Inner Socks 3-Pair Set 23-27cm "Foot Warm Socks That Don't Get Cold" use "heat-retaining fibers" like a thermos to prevent heat from escaping the socks, keeping your feet warm. These are "foot-cooling prevention thermal socks" that are discreet and warm. 【How to Use】 Effective when used to warm your feet. ① Wear the toe inner socks with the seam facing up. ② Wear socks or tights over them. ◾️Size: Free Size (Fits approximately 23-27cm) ◾️Color: Black ◾️Type: Thin, approximately 1mm For cold feet, cold protection ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ ● Please understand that these are stored at home even if they are new and unused. ● Immediate purchase is possible without comments. Please refrain from price negotiations. Thank you.