Classic Fall Wardrobe Staple - Frye Shirley Black Leather Over the knee riding boots. Women’s size 8. These have been discontinued by Frye and are hard to find/ rare. Good pre owned vintage condition black over the knee riding black leather boots and fit TTS. Zipper ankle for easy on/ off. Low heel and accents give a true equestrian vibe. shaft is 21.5 in tall. These are vintage used boots. Frye is built to last and this is genuine leather. No rips.