Purebaby's Essentials Knot hat is not only sweet, but also adjustable! Simply undo the knot and re-tie further down or up the hat to make it smaller or larger. Hats and beanies are a necessity for newborns all year around, but especially for Winter babies. If the hat is still a little large, you can fold up the ribbed band for a smaller fit! Adjustable knot Ribbed trimmings Made from 100% Certified Organic Cotton.