stand-alone or layering piece the Patagonia lightweight packable warmth PrimaLoft Gold Insulation Eco fill Meeting Patagonia's rigorous performance standards while also lessening environmental impact by utilizing 55% recycled content the vest's compressible PrimaLoft Gold Insulation Eco holds warmth in crucial areas of heat loss. unique “brick” quilt pattern light and comfortable layer Windproof and water-resistant 100% recycled and bluesign-approved treated with a DWR (durable water repellent) wicking interior wind flap behind the center front zipper drawcord-adjustable hem two zippered hand warmer pockets drop-tail hem and zippered internal chest pocket that doubles as a stuff sack 100% recycled polyester ripstop shell 60-g PrimaLoft Gold Insulation Brick quilting pattern with horizontal quilt lines on side panels Center-front zipper with wicking interior storm flap and zipper garage at chin Two zippered handwarmer pockets Drawcord-adjustable drop-tail hem Internal chest pocket doubles as a stuffsack