We built the Nano Puff® Vest for climbers who needed a weather-resistant, lightweight and packable synthetic insulation layer that could stay warm even when wet and withstand seasons of use. Ever since, those same features have made it the uncontested favorite midlayer for just about any outdoor pursuit. With fit refinements for improved mobility, 60-g PrimaLoft® Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E.™ (Produced Using Reduced Emissions) technology, and a 100% recycled polyester shell and lining. Made in a Fair Trade Certified™ factory. Regular fit 100% Recycled Fabrics Lightweight 100% recycled polyester ripstop shell has a durable water repellent (DWR) finish made without intentionally added PFAS to shed light moisture Incredible Warmth to Weight 100% Recycled Insulation PrimaLoft® Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E.™ (Produced Using Reduced Emissions) technology provides excellent warmth for its weight and stays warm when wet Signature Horizontal Quilting Brick quilting pattern and horizontal quilted side panels with durable, abrasion-resistant thread stabilize insulation for greater durability as an outer layer and low-profile, low-bulk layering under shells Evolved Fit for Mobility and Comfort Improved shoulder and armhole fit provide greater mobility and comfort; a slightly narrower fit and a longer body length offer easier layering Center-Front Zipper Center-front zipper has a wicking interior storm flap and a zipper garage at the chin for next-to-skin comfort Pocket Features Two zippered handwarmer pockets have cleanly finished zipper garages; an internal zippered chest pocket doubles as a stuffsack with a reinforced carabiner clip-in loop Sealed-In Warmth; Supporting the People Who Made This Product Drawcord-adjustable drop-tail hem seals in warmth; made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor Country of Origin Made in Vietnam. Weight 235 g (8.3 oz) Shell 1.4-oz 20-denier 100% recycled polyester ripstop with a durable water repellent (DWR) finish made without intentionally added PFAS Lining 1.3-oz 100% recycled polyester ripstop with a DWR finish made without intentionally added PFAS Insulation 60-g PrimaLoft® Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E.™ (Produced Using Reduced Emissions) technology Fabrics are certified as bluesign® approved Made in a Fair Trade Certified™ factory Care Instructions Machine Wash Warm, Do Not Bleach, Tumble Dry Low, Cool Iron