Patagonia Nano-Air Ultralight Full-Zip Hoody

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Built for speed and breathability, Patagonia’s Nano-Air Ultralight Hoody keeps you warm without overheating—just don’t expect hand pockets.

Patagonia says: 

For cool, high-output days when you need breathability and just a touch of warmth, the Nano-Air® Ultralight Full-Zip Hoody is a compressible, stretchy, featherlight insulated layer that will keep you in your sweet spot for longer while moving fast through the mountains. Made in a Fair Trade Certified™ factory.

Our Verdict

Patagonia’s Nano-Air Ultralight Full-Zip Hoody is built for high-output movement in cooler conditions. It offers featherlight insulation with impressive breathability. Designed for those who need a layer that won’t overheat on the move, it balances warmth and ventilation exceptionally well.

I first noticed the sheer comfort—stretchy, soft fabric that moves effortlessly with the body. It is feathery light at just 247g (medium), and the FullRange insulation provides just enough warmth without stifling airflow. The standout feature for me is the hood—it fits perfectly, thanks to elasticated sides that keep it snug without impeding visibility, whether or not you’re wearing a helmet.

The absence of hand pockets was noticeable—I instinctively reached for them, especially when looking for a place to warm my hands. The chest pocket is handy for essentials but doesn’t make up for the missing side storage. The lack of a hem drawcord is another minor drawback; while the elasticated fit works well, cinching it tighter would provide better protection in windy conditions. Both are small compromises but worth noting.

The Nano-Air Ultralight delivers if you’re after a superlight, breathable layer for fast-paced mountain days. Just be prepared to sacrifice a few comforts for weight savings.

– Reviewed by Ultralight Outdoor Gear

(Unfortunately, we are unable to ship Patagonia products outside of the European Area (defined as the European Economic Area plus Switzerland and the UK)) 

Features

• Shell and lining fabric built from 100% recycled polyester ripstop offers mechanical stretch, exceptional breathability and improved abrasion resistance, with a durable water repellent (DWR) finish made without intentionally added PFAS to resist light moisture
• Light, breathable and stretchy 20-g FullRange® insulation provides featherlight warmth through the hood, shoulders, upper arms, chest and back; breathable underarm panels vent heat and reduce bulk
• Minimally bound, stretchy Light Touch Expansion Hood with passive adjust fits with and without a helmet and easily pulls on or off, even when the jacket is zipped; center-front zipper has a zipper garage at the chin for next-to-skin comfort
• Slim fit built for comfort under a harness and a backpack, and articulated patterning provides exceptional range of motion
• Low-profile, generously sized chest pocket keeps essentials warm and close at hand; entire hoody easily self-stuffs into the chest pocket with a carabiner clip-in loop
• Stretchy, soft, moisture-wicking and quick-drying Capilene® Cool Lightweight fabric at the lower arms adds extra stretch to push up sleeves over forearms
• Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor

Specifications

• Small weighs: 238g
• Medium weighs: 247g
• Large weighs: 268g 
• XLarge weighs: 285g
• Slim Fit

Material & Construction

• Shell and lining: 1.6-oz 30-denier 100% recycled polyester air-permeable shadow stretch ripstop with a durable water repellent (DWR) finish made without intentionally added PFAS.
• Lower-sleeve panels: 2.3-oz 100% recycled polyester double knit with a wicking finish. Insulation: 20-g FullRange® 100% recycled polyester. Fabrics are certified as bluesign® approved.
• Made in a Fair Trade Certified™ factor

Help & advice:

• Recycled Content in Outdoor Gear
• Time-Saver Guide to Choosing a Synthetic Jacket
• Synthetic Insulation Explained
• The Bluesign System