Mountain Warehouse Childrens Downpour Waterproof Overtrousers. Let your little explorers embrace the thrill of the outdoors, come rain or shine, with these indispensable waterproof trousers. Crafted from 100% polyamide ripstop fabric with a breathable mesh lining, they boast taped seams, a half-zip fastening, and an elasticated waistband for ultimate comfort and protection. Designed for a relaxed fit, these trousers are perfect for ensuring your child stays dry and comfortable during all their adventures. Ref: UTMW5488