Take being cozy seriously with the Birkenstock Bostons! In a dreamy dark blue velvety hue, these sandals boast a closed-toe design that's guaranteed to keep your toes toasty warm whether you're walking around town or curling up at home. Cushioned BIRKENSTOCK soft footbed creates custom support with wear Classic suede upper Suede footbed lining helps keep you comfortable EVA sole is flexible and lightweight Adjustable strap with metal pin buckle