These kids' boots have arch support and 200 grams of PrimaLoft® insulation to help keep growing feet warm and comfy, while seam-sealed waterproof construction helps to keep them dry. A padded collar and foam cushioning add to the comfort. Timberland supports responsible manufacturing of leather via the Leather Working Group I wear a women’s size 6.5 and these boots fit perfectly! They are a big kids 4.5.