When you put your feet in your new Acron Digby Slippers you will be so happy to have bought them. The Acorn Digbys are made of luxurious Italian wool-blend that you will feel like a hundred bucks wearing. The outsole is great for indoors and outdoors alike. Luxurious Italian wool-blend felted heather uppers. Uppers lined in soft microfleece that wicks moisture. Footbed lined in soft, sherpa fleece. Acorn high density comfort foam heel to toe with raised EVA heel wedge for stabilty and support. Acorn's TLC (Total Living Comfort) non-slip weatherproof outsole for indoor/outdoor wear.