Color: Jet Black Breathable knit flats, made from natural materials for all-day wear. Lightweight, comfy, and effortlessly sleek, the Tree Breezer is the next best thing to bare feet. Its classic style is great for the office, after work outings, and everything in between. Machine washable on delicate cold. Air dry. Manufacturer website recommendation's: Average-width feet? Go with your usual size. Wider feet or bunions? Size up half. Extra-wide or sensitive toes? Go up a full size for all-day comfort