Patagonia Nano Puff Insulated Vest in Black, XL An insulated mid layer for just about any pursuit, the women's Patagonia Nano Puff Vest is built for those who need a weather-resistant, lightweight and packable core warmer. Packable Insulation: Synthetic Features Lightweight 100% recycled ripstop polyester shell has a durable water repellent (DWR) finish made without intentionally added PFAS to shed light moisture PrimaLoft® Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E.™ (Produced Using Reduced Emissions) tech provides great warmth for its weight—even when wet Brick quilting pattern and horizontal quilted side panels with abrasion-resistant thread stabilize insulation for more durability as an outer layer and lower bulk under shells A slightly reshaped fit compared to past iterations and a longer body length offer easier layering Improved shoulder and armhole fit provide greater mobility and comfort Center-front zipper has a wicking interior storm flap and a zipper garage at the chin for next-to-skin comfort 1 internal zippered chest pocket doubles as a stuff sack with a reinforced carabiner clip-in loop 2 zippered handwarmer pockets with cleanly finished zipper garages Drawcord-adjustable droptail hem seals in warmth Made in a Fair Trade Certified™ factory, which means the people who made this vest earned a premium for their labor Fabrics are certified as bluesign® approved Excellent Condition