Every girl should have a pair of these sexy knee high boots in their closet, can be worn casual or formal. -All man made materials Slight fur inside. -4.5" Heel **Suggestion: Size up half size. : I wear size 7.5 regularly. Size 7.5 on these booties fit snug if worn with socks because of the fur inside . without socks they were perfect fit. If you plan to wear socks size up half size if no socks order your size