Puffballs add warmth to any layering system without bulk and, unlike down, they keep you warm even when wet. Insulated with 100-gram Micro-Loft, and treated with a DWR (durable water repellent) finish. 2.3-oz. mini-ripstop shell and lining, slick enough to slide easily over other layers. Puffballs stuff into their own vertical, zippered chest pocket. Lightweight and wind-resistant. Imported. Puff-Ball Vest