This item has been kept at home, unopened, since purchase. They look very warm. I think they are for men, but anyone can use them. Room socks like a foot bath Room socks Socks Men's socks Socks 25-27cm Black: 2 Gray: 1 Total of 3 sets for sale Far infrared effect About 1400 yen per item About 4200 yen for 3 items at regular price Winter Air conditioning measures *To reduce shipping costs, we will take them out of the bag and compress them for shipping. Thank you for your understanding. Please check the profile and purchase after your understanding. Color... Black, Gray