The Acton Frosty Winter Boot for kids is made of water-repellent ripstop nylon and waterproof synthetic leather. Its 100% waterproof, ultralight and non-slip EVA shell ensures excellent stability on snow and ice. Its removable insulated felt liner wraps toddlers in cozy warmth, perfect for snow play and icy adventures. The double hook-and-loop closure system allows for a quick and secure fit, ideal for active babies. A boot that is durable, practical and designed to keep up with babies in all their winter activities. Also available in a baby version, sizes 5 to 10. Product Details Height: 6" / 15.2 cm Water-repellent ripstop nylon and waterproof synthetic leather. Double hook-and-loop closure. High-visibility reflective inserts. Large opening for easy donning. Removable and flexible insulating felt liner. Removable felt insole insulating and moisture-wicking. Hyper light, waterproof, flexible and insulating EVA base. Anti-build-up, lightweight, non-slip and non-marking synthetic rubber sole.