These children's trousers are crafted from a stretch nylon fabric that is lightweight, quick drying and strong. The nylon knee patches with water-repellent treatment provide additional protection against rocks or branches. And a soft polyester lining delivers extra warmth for chilly days. The pull-on-style stretch waistband with adjustable drawcord ensures a snug fit. Zipped hand pockets provide ample storage for snacks. With the Vertigo Fast Pants for kids, young explorers can take on cool-weather climbing or trekking adventures with maximum comfort.