Design: Fully waterproof upper made from 100% recycled polyester Durable water-repellent coating ensures rain rolls off Speed laces tighten in one easy tug In-Shoe Comfort: TPU Speedboard(R) flexes easily underfoot for a smooth, rolling stride that allows kids to push off with power CloudTec(R) cushioning for comfort on long adventures Plush, padded collar provides extra support and stability Durability and Traction: Durable and sticky square lugs made with Missiongrip(TM) provides enhanced traction on slippery terrain TPU toe cap and mudguard for extra protection