? Fits womens shoes size. S size : 4-7, M size : 7-10 ? HITIT is the MANUFACTURER. HITIT is also the ONLY SELLER of the HITIT brand. ? Made of Y-shaped knit on the heel to prevent the socks from peeling off. ? They have silicon strips covering the entire heel area and stay put throughout the day. So you don’t have to worry about your socks falling off when running or walking. ? The high cotton content of HITIT products promotes sweat absorption and spandex perfectly wraps your feet.