These kids' mid-season outdoor pants are made of super durable material. The back rise seam is taped waterproof. These Lassie pants are equipped with a smooth polyester lining and a light wadding that keeps warm on chilly days. This comfortable style works well for both boys and girls: the straight fit is simple, yet functional. The detachable, elastic suspenders can be adjusted as your children grow. A great match with all Lassie mid-season jackets!