Your young explorer won't let the cold temperatures stop their adventures with the Kamik Waterbug 5 Boot. Adjustable cord and barrel snow collar with easy grab Lace Lock Waterproof 600 denier Nylon and Synthetic upper 8MM Zylex removable liner rated to 40 below Light weight Snowave synthetic Rubber outsole. Made in Canada with domestic and imported materials Comfortable down to -40°C Vegan-friendly Waterproof nylon upper with faux fur snow collar and gusset tongue Foam and fleece insulation Moisture-wicking fleece lining Bungee lacing system with Easy-Grab Lace Lock NiteRays reflective technology Multi-directional lugs for superior traction in the snow Kamik Waterbug 5 Winter Boots, Black - Kids