Experience ultimate comfort in these plush slippers from Acorn. Italian wool-blend knit upper with water-repellent suede detail. Slip-on mule silhouette with soft sherpa fleece lining is insulated with Thermolite synthetic down and has unique hollow-core fiber technology for extra warmth and durability. Rubber outsole with hand-pressed natural jute offers non-slip traction indoors or out. Washing Instructions : Hand wash cold, air dry. Measurements: ; Weight: 9 oz ; Product measurements were taken using size 9, width M. Please note that measurements may vary by size.