Acorn® Men's Original Slipper Sock - over 40 years and still going strong. Ragg Wool upper Premium, multilayer Cloud Cushion™ footbed Durable Leather sidewall repels stains and water Genuine Suede sole for traction and insulation For inside use only Recommended Care: machine wash cold,air dry Fit Tip: Women's and Men's Shoe sizes Product Features: Outsole:Genuine Suede Leather Upper:100% Ragg Wool with Leather sidewall Acorn Men's & Women's Original Slipper Sock