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.

Fit
Regular fit
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Specs & Features
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 car