These black KOZIKICKS provide a snug yet breathable fit with a fully-lined plush interior. With a durable, slip-resistant grip these slippers are perfect for indoor lounging as well as long walks, running errands and casual plans. Our signature FlexForm sole also provides an ergonomic fit for free range of motion and natural contoured comfort. This shoe is extremely flexible and flat, great for a barefoot feel. Strap is not adjustable.