The Filson Men's Ultralight Vest is a versatile vest that's lightweight, packable, and insulated with PrimaLoft Gold. Elastic binding at armholes and hem for custom fit. 60-gram PrimaLoft Gold retains 98% of its insulating ability when wet. Interior zippered security pocket; cotton Moleskin-lined handwarmer pockets and inner collar. 1.5-oz. Cordura(R) ripstop nylon + 60g PrimaLoft Gold + Moleskin pocket lining and collar stand. FeaturesFull zip closure systemCollaredPrimaLoft Gold 60 gram Insulation