What is the Patagonia Men's Nano Puff Vest?
The Men’s Nano Puff Vest is Patagonia’s iconic, lightweight synthetic midlayer, designed to keep your core warm while allowing for total freedom of movement. Originally created for climbers who needed dependable insulation that wouldn’t wet out or weigh them down, it has become a favourite for nearly every outdoor pursuit, from mountain layering systems to bike commutes and weekend hikes.
Recycled Polyester Ripstop Shell
The outer shell is made from a lightweight 20-denier recycled polyester ripstop — durable enough for mountain use yet light enough to remain highly packable. It features a PFAS-free DWR finish that sheds light rain, snow, and moisture, helping the insulation stay dry and warm. The tight weave also provides reliable wind resistance, significantly boosting the vest’s warmth-to-weight performance in exposed or breezy conditions.
Recycled Polyester Lining
Inside, a smooth 100% recycled polyester ripstop lining enhances comfort and allows for effortless layering over technical base layers or everyday clothing. It dries quickly and features a PFAS-free DWR finish for enhanced moisture protection against sweat or weather.
60-g PrimaLoft Gold Insulation Eco
The core of the vest is 60g PrimaLoft Gold Insulation Eco — Patagonia’s warmest synthetic insulation for its weight. Made from 100% post-consumer recycled polyester and produced using P.U.R.E. (Produced Using Reduced Emissions) technology, it delivers exceptional thermal efficiency, compressibility, and dependable insulation even when wet. This means you stay warm in unpredictable weather, during high-output effort, or when exposed to humid, damp environments.
Responsible, Certified Materials
All fabrics in the Nano Puff Vest are Bluesign approved, ensuring every stage of the textile production process meets strict standards for environmental safety, resource efficiency, and responsible chemical use. The vest is also sewn in a Fair-Trade Certified factory, supporting safe working conditions and providing additional financial incentives for workers and their communities.
What are its features?
Lightweight Weather Protection
The wind-resistant shell and water-shedding finish protect your core from sudden temperature drops, gusty ridgelines, and light precipitation. It’s the ideal layer when conditions are variable, but a full jacket feels excessive.
Warmth With Minimal Bulk
The synthetic insulation traps heat efficiently while maintaining a sleek profile that layers cleanly under outer shells or over midlayers. The vest design keeps the core warm while preventing overheating during activity.
Signature Quilting for Durability
Patagonia’s brick quilting pattern stabilises the insulation to prevent clumping and cold spots, even after years of compression in packs. The durable stitching reinforces high-wear areas, helping the vest retain its shape over time.
Refined Fit for Mobility
An updated shoulder and armhole design offers improved mobility and comfort. The slightly narrower silhouette and longer hem enhance layering performance, keeping the vest stable when worn under or over other garments.
Smooth, Comfortable Zipper Design
The centre-front zipper features a moisture-wicking interior storm flap for added protection and a zipper garage that prevents irritation against the chin.
Functional, Packable Pocket Layout
Two zippered handwarmer pockets keep hands warm and essentials secure, while the internal chest pocket doubles as a compact stuff sack. Once packed, the vest attaches easily to a harness or pack using the reinforced carabiner loop.
Adjustable Hem for Warmth Retention
A drawcord-adjustable drop-tail hem helps seal in heat and block drafts, ensuring consistent warmth whether you’re on a windy ridge, pausing at a belay, or navigating changing weather.
Features:
- 100% recycled polyester ripstop shell with PFAS-free DWR
- 60g PrimaLoft Gold Insulation Eco (100% postconsumer recycled)
- Brick quilting pattern for insulation stability and long-term durability
- Improved shoulder and armhole fit with longer body length
- Centre-front zip with storm flap and zipper garage
- Two handwarmer pockets + internal chest pocket/stuff sack
- Drawcord-adjustable drop-tail hem
- Bluesign approved fabrics
- Fair Trade Certified sewn
- Regular fit