Size M. Nano Puff Insulated Vest Insulation is water-repellent and retains 98% of its insulating ability even when wet. Wrapped in a windproof and moisture-shedding 100% recycled polyester ripstop shell with a DWR (durable water repellent) finish. Brick quilting pattern with narrow horizontal quilt lines on side panels stabilizes insulation and uses durable thread for abrasion resistance. Center-front zipper has a wicking interior storm flap and zipper garage at chin for next-to-skin comfort. Two zippered hand warmer pockets have cleanly finished zipper garages; zippered internal chest pocket doubles as a stuff sack with a reinforced carabiner clip-in loop.