Acorn® Men's Fave Gore Slippers feature luxurious Italian wool-blend tweed uppers. The uppers are lined in soft microfleece that wicks moisture. The footbed is lined in soft, Sherpa fleece. Italian Wool-blend tweed upper Moisture-wicking Microfleece lining Sherpa Fleece lined footbed Double gore detail for easy entry and good fit Acorn high density comfort foam heel to toe with raised EVA heel wedge for stability and support Durable suede sidewall Non-slip weatherproof sole for indoor/outdoor wear Hand wash cold; air dry Size Chart: XS 6-7 S 7-1/2 - 8-1/2 M 9-10 L 10-1/2 - 11-1/2 XL 12-13 XXL 14-15 Product Features: Outsole:Non-slip, weatherproof Upper:Italian wool-blend tweed Footbed:Sherpa Fleece lined Lining:Moisture-wicking microfleece Insole:High density foam Acorn Men's Fave Gore Slipper