Thank you for viewing! (^_^) Please also check my profile, if you don't mind. *•.¸¸♬.•*¨*•.¸¸♬.•*¨*•.¸¸♬ I knitted these for myself because I get cold easily, but I wanted people who have cold feet to try them, so I'm selling them. Please give them a try! (ㆁᴗㆁ✿) *•.¸¸♬.•*¨*•.¸¸♬.•*¨*•.¸¸♬ ✿ Flat measurement is about 24.5 cm. Since it's made of yarn, there's some stretch. If you prefer a loose fit, or a snug fit, please consider your own foot size and choose accordingly! o(^▽^)o *•.¸¸♬.•*¨*•.¸¸♬.•*¨*•.¸¸♬ ★ These are very warm, made with thick 100% wool + extra-fine acrylic yarn, double-stranded, and a very thick type. The ankle part is also knitted a little longer, so they are very warm. Especially recommended for those with cold feet! They are knitted with extra room so you can wear them over socks. They are not like rigid room shoes, but have a fit that allows your toes to move freely! Also, they are thick enough to wear slippers over them. ✾ No non-slip material is attached. ❀ These are handmade by an amateur. There may be distortions, uneven stitches, etc., so please consider before purchasing if you are sensitive to such things. Ankle-length... Foot covers Type of socks... Room socks Pattern/Design... Bordered