ColdPruf Women's Enthusiast Base Layer Pants - The ENTHUSIAST is a single layer garment made of 100% Polypropylene. This design will give you a close, comfortable fit without restriction. The ENTHUSIAST is lightweight and has been designed to give thermal protection in cold to very cold weather with medium to high activity. Single Layer; Flat Seamed; Front & Back Rise; Logo Comfort Waistband; Wicks & Evaporates Moisture; Style: 57B;