Your little one is sure to look his grown-up best in the Ariat Sierra Cowboy Boot. The 4LR technology coupled with a 4-layer footbed and lightweight shank cushions and stabilizes your champ's foot for all-day comfort and performance. The Booster Bed technology helps your little one with some extra wiggle room during various activities. Also, this casual slip on has a lightweight and durable TPR outsole that delivers excellent cushioning, flexibility, and rebound. 4LR technology Booster Bed technology for extra wiggle room 4-layer footbed Lightweight shank Brushed synthetic lining TPR outsole.