Our Luke 4 kids' insulated boots offer great support and are made to protect them on the coldest winter days (right down to -40°C). These kids' winter boots feature lightweight, waterproof Rubber bottoms with superior traction to keep your little one from slipping as they navigate mucky forests and icy playscapes. Comfortable down to -40°C. Vegan-friendly. Waterproof 1200 denier nylon upper. Synthetic carbon fibre accents. Adjustable snow collar. Foam and fleece insulation. Moisture-wicking soft boa lining. Bungee lacing system with Easy-Grab Lace Lock. NiteRays reflective technology. Waterproof and recyclable lightweight synthetic Rubber shell. Proprietary technology offers traction and increased flexibility. ICEWAVE outsole with multi-directional treads for stability in snowy conditions.