From prAna, this vest features: Mixed materials with nylon and sherpa on the reverse side Heavy weight rib at collar Full-zip closure Side seam drop-in pockets and secure zip pockets on the reverse side Binding at center front zip, armholes, and bottom hem Prana flag label at wearer's bottom left hem Bluesign® approved fabric Insulated quilting with polyester Sherpa fleece lining Medium weight 80G insulation in quilting Recycled nylon woven shell with PFAS Free DWR (durable water repellent) Machine wash Imported.