Acorn Men's Maine Slipper Sock 100% Textile and Leather Made in USA Leather sole Made in the USA - Acorn returns production to Dexter, Maine Bison leather outsole features founder David Quinns signature Original design is optimized with sidewall and new patent Pending toe and heel guards made of full-grain bison leather Hand-stitched details and leather finger loop for easy on/off; Mid-calf height, 12 Premium, multilayer Cloud Cushion footbed