I wear a 10 and these are snug on me. The reviews claim they run a 1/2 to whole size small. Best for a 9 - 9.5. Get hooked to the impressive looks and comfort of the Naiyah boot by Ugg. This suede boot is designed with a back lacing to offer you a secure fit. Plush wool lining and UGGplush insole keep you pampered all day. With Treadlite sole, you get to experience reliable support. FEATURES Suede upper Lace-up closure Round toe Wool lining 17mm UGgGplush 80% upcycled wool & 20% lyocell insole Approx. 7" shaft height Approx. 9" leg opening Treadlite by UGG sole