Socks for Women with Cold Feet: High Socks, Thick ● Are you pushing yourself too hard, enduring the cold today? ● A must-have item for women with cold feet, using functional fibers that are warm, don't get cold, and don't get stuffy. *Men can also use them. ● These socks have a 3-layer construction using heat-generating Heat Plus α fibers and macaroni fibers. ● Heat Plus α fibers: Uses Toyobo's moisture-absorbing and heat-generating fiber yarn [eks], which absorbs body moisture and generates heat to warm you up. ● Macaroni fibers: By using macaroni fibers that retain air inside in a pile knit, it creates a double layer of air to trap heat and keep you warm. ● Thick type, perfect for preventing the cold during outdoor activities in winter. Your calves will be toasty warm. ● High socks. Free size, suitable for sizes 23-27cm. Charcoal gray. Brand new, unused, unopened. Set of 4 pairs. Please refrain from requesting individual sales. Ready to ship. We will ship via anonymous delivery within 24 hours of purchase. Thank you.