Patagonia M's Nano Puff Vest - New for 2025

Core Warmth, Anywhere You Go

The Patagonia M’s Nano Puff® Vest is proof that powerful insulation doesn’t require bulk. Ultralight, packable, and weather-resistant, it delivers reliable core warmth whether layered under a shell or worn over a flannel on chilly days. Climbers, anglers, and explorers alike trust its performance, thanks to recycled PrimaLoft® insulation that stays warm even when wet. Built with durability and sustainability in mind, this vest is an indispensable midlayer that goes from trailhead to town with ease.

Key Features

• Shell & Lining: 100% recycled polyester ripstop with DWR finish (made without intentionally added PFAS)

• Insulation: 60-g PrimaLoft® Gold Insulation Eco, 100% postconsumer recycled polyester with P.U.R.E.™ reduced-emissions technology

• Warmth-to-Weight: Exceptional insulation efficiency, staying warm even in damp conditions

• Quilting: Brick quilting with horizontal side panels stabilizes insulation for long-lasting loft and durability

• Fit & Mobility: Improved shoulder and armhole design with slightly narrower cut and extended length for layering comfort

• Zipper: Center-front zipper with storm flap and chin garage for irritation-free wear

• Pockets: Two zippered handwarmer pockets; one internal zippered chest pocket doubles as a stuffsack with reinforced carabiner clip-in loop

• Hem: Drawcord-adjustable drop-tail hem helps trap heat

• Weight: 235 g (8.3 oz)

• Origin: Made in Vietnam

• Fair Trade Certified™: Supporting the people who made this product with better wages and conditions

• Style Number: 84243

Summary Box

• Product: Patagonia M’s Nano Puff Vest

• Material: 100% recycled polyester shell with PrimaLoft® Gold Insulation Eco

• Features: Packable, weather-resistant, quilted design, secure pockets, adjustable hem

• Weight: 235 g (8.3 oz)

• Style No.: 84243

• Made in: Fair Trade Certified™ factory, Vietnam

Summary:
Patagonia M’s Nano Puff Vest offers lightweight, packable warmth with recycled PrimaLoft® insulation, durable shell, and versatile core comfort for any adventure.