The Apex Primaloft® ladies vest is great for any cold weather activity. It has a 100% polyester outershell with a water resistant DWR finish, Primaloft® insulation is very warm, ultra lightweight, breathable, wind-resistant and has excelent water repllency, piped princess seams front and back, placket-protected two-way zipper, zippered side pockets and inside pockets, extended back with snap-open gusseted back vents.