Size 7.5 fits true to size. Only worn inside for styling/photos so these are in like-new condition! From the Madewell website: Cloudlift insoles for a supercushy, ultrasupportive fit that feels like walking on a... well, you know. They're also as eco-friendly as we can make them. The cotton lining and rubber outsoles? Both recycled. Oh, and the leather is sustainable too. - Leather upper. Do Well: leather sourced from a tannery that achieved a Gold Rating from the Leather Working Group (LWG), an organization that works to promote sustainable environmental practices in the leather industry. Lining is 65% recycled cotton/35% conventional cotton. Outsole is 40% man-made/35% recycled rubber/20% natural rubber/5% rice husks (aka the speckles).