The original "magic jacket" in men's hoodless form — Patagonia built the Nano Puff for climbers who needed weather-resistant, packable synthetic insulation that stayed warm when wet. The same features that earned that reputation make it the favorite midlayer for nearly every outdoor pursuit.
Built with a 1.4-oz 20-denier 100% recycled polyester ripstop shell and a DWR finish made without intentionally added PFAS, insulated with 60-g PrimaLoft® Gold Insulation Eco — 100% postconsumer recycled polyester with P.U.R.E.™ (Produced Using Reduced Emissions) technology. Fabrics are bluesign® approved.
Standout features:
- PrimaLoft® Gold Eco synthetic insulation — warmth-to-weight that stays warm when wet
- Signature horizontal brick quilting — durable, abrasion-resistant thread stabilizes insulation as outer layer or low-profile base under shells
- Evolved fit for mobility — improved shoulder fit and elbow articulation
- Center-front zipper — wicking interior storm flap, zipper garage at chin
- Self-stuffing chest pocket — internal zippered pocket doubles as stuffsack with reinforced carabiner clip-in loop
- Drawcord-adjustable drop-tail hem — seals in warmth at the back
Made in a Fair Trade Certified™ factory in Vietnam, meaning the people who built it earned a premium for their labor. Fabrics are bluesign® approved. The DWR finish is made without intentionally added PFAS.
Right pick for the customer who needs one synthetic midlayer to handle daily commutes, cold-weather hikes, and travel days where down would underperform in damp conditions. The hoodless cut layers cleanly under helmets, shells, and hooded outerwear without bulk at the neck.
The details
- Shell: 1.4-oz 20-denier 100% recycled polyester ripstop with PFAS-free DWR
- Lining: 1.3-oz 100% recycled polyester ripstop with PFAS-free DWR
- Insulation: 60-g PrimaLoft® Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E.™ technology
- Weight: 369 g (13 oz)
- Made in: Vietnam, Fair Trade Certified™
- Care: Machine wash warm, tumble dry low, cool iron