These Silver Steps Mary Jane non-slip slippers offer classic style in a versatile slipper. This non skid slipper surrounds your feet in fashionable comfort when worn alone—perfect at home or while traveling. Four-way stretch neoprene/nylon provides a custom fit, and helps prevent irritation, chafing and blisters. Worn inside your shoes or boots, the women's slippers add extra warmth and water-resistant cushioning without bulky socks. Worn over socks, they add a layer of non-slip protection. Specify size: small (6–7), medium (7–8 1/2), large (8 1/2–10), XL (10–12). Hand wash; air dry.