If you're in between sizes, please size up  Have a high instep, wide feet, or other requirements? Please contact us for a custom fit Memory foam padding for extra comfort The Foundation Flat is an elegant, minimalist slipper that’s so comfortable and versatile, you'll reach for it often. Designed for everyday wear, these slip-on shoes are cut, sewn, and crafted by hand from luxurious Italian leather that gets even softer with wear and pairs effortlessly with everything else in your wardrobe.