The Aspen First Kicks Boot in Navy Nylon upper with gradient print, hook and loop closure with plush faux fur lining. Easy on/stay on functionality with flexible, cushioned insole & split rubber outsole to provide extra comfort & protection for little feet as they begin to walk. • Approved by the American Podiatric Medical Association. • Structured silhouette looks, feels, and operates like a shoe—perfect for early and beginner walkers. • Sole flexes and bends with every step to allow full range of motion needed for healthy foot development. • Sizes 0-3 & 3-6 Months have a soft, suede sole. • Sizes 6 months and older have a split rubber sole that grips the floor, adds durable traction helps prevent falls. • Easy on & off closures. • Padded insole provides protection and plenty of cushioning. • Spot clean with a mild detergent and damp cloth.