These lightweight yet sturdy cold-weather boots for kids will ensure your little one explores in comfort and safety. Its flexible gripping outsole and waterproof, insulated design keep toes warm as kids adventure. See Kai Run's Gilman Boots are made with nylon and rubberized PU upper. Seam-sealed, waterproof membrane construction is resistant to 10,000mb pressure/4 hours, and the water gusset keeps water and debris out of the boots. Gilman boots feature 3M Thinsulate thermal insulation layer, delivering 360-degree insulation. Fleece lining and thermal sockliner provide an extra layer warmth and comfort. Deep-lugged TPR rubber outsoles are built for maximum grip on wet and snowy terrain while the rubber toe caps add durability and protection. Hook-and-loop straps and faux elastic laces allow a secure fit and custom adjustability.. All See Kai Run shoes are proportionally engineered for a child's foot and are designed to promote healthy foot development. See Kai Run shoes are flexible, which helps kids develop proper balance, gait, and stride. Our broad toe boxes give little toes room to move freely, building strength in muscles and tendons. Gilman boot's wide openings and secure closures provide optimum fit for a shoe that goes on easy and stays on easy. See Kai Run was awarded the Seal of Acceptance from the American Podiatric Medical Association (APMA).