Built for climbers and adopted by just about everyone, the Nano Puff® Jacket is the go-to synthetic insulation layer for lightweight warmth and all-season versatility. Weather-resistant, highly packable, and built with 100% recycled fabrics, it delivers exceptional warmth-to-weight performance while maintaining mobility and durability. Whether worn as a midlayer or standalone piece, this “magic jacket” stays warm even when wet and stands up to years of use.

Features

• Lightweight 100% recycled polyester ripstop shell with PFAS-free DWR finish sheds light moisture.
• 60g PrimaLoft® Gold Insulation Eco provides excellent warmth-to-weight performance and retains heat when wet.
• Brick quilting pattern with horizontal quilted side panels stabilizes insulation for durability and low-bulk layering.
• Refined shoulder fit and articulated elbows enhance mobility and comfort.
• Center-front zipper includes a wicking interior storm flap and chin zipper garage for next-to-skin comfort.
• Two zippered handwarmer pockets with cleanly finished zipper garages.
• Internal zippered chest pocket doubles as a stuffsack with reinforced carabiner clip-in loop.
• Drawcord-adjustable drop-tail hem seals in warmth.
• Made in a Fair Trade Certified™ factory.

Materials

• Shell: 100% Recycled Polyester Ripstop with PFAS-free DWR finish
• Lining: 100% Recycled Polyester
• Insulation: 60g PrimaLoft® Gold Insulation Eco (100% Postconsumer Recycled Polyester with P.U.R.E.™ technology)

Technology Breakdown

• PrimaLoft® Gold Insulation Eco: Lightweight synthetic insulation made from 100% postconsumer recycled polyester that retains warmth even when wet.
• P.U.R.E.™ Technology: Manufacturing process that reduces carbon emissions during insulation production.
• PFAS-Free DWR: Durable water repellent finish made without intentionally added perfluorinated chemicals.