Design: 400g insulation keeps the feet warm Omni-Tech(TM) waterproof breathable construction Waterpoof PU coated leather and textile upper for long lasting protection Easy-on wide opening and adjustable elastic hook and loop strap for kid friendly on-and-off In-Shoe Comfort: Omni-Heat(TM) thermal-reflective lining retains heat Durability & Traction: One-piece injection molded TPR shell/outsole for reliable traction and protection