These Karrimor Sierra Pants are ideal for the outdoors, using waterproof and breathable Weathertite fabric to help you stay cool and dry when conditions turn unpleasant. These lightweight pants also feature an elastic waistband, ankle zippers, and snaps Waterproof 5,000mm. Breathable 5000mm. Lightweight. Windproof. Zippered ankles. Poppers. Elastic waistband. Shell: 100% nylon. Lining: 100% polyester. Machine washable. Imported. . NOTE: This product is sold in U.S. sizes. While the physical product may display both the U.S. & U.K. sizes on it, please place your order using the U.S. size.