Viking Women's Creekside Tri-Zone Insulated Pant polyester Imported Insulated 100-Percent waterproof and windproof winter pant. 100-Percent Waterproof, Windproof and Washable 2-way side zippers; boot adjustments; articulated knees All seams double sewn, taped and heat sealed Plan to purchase one size larger than your normal pants size to accommodate for layering underneath these 100 Percent waterproof pants