Patagonia Nano-Air Ultralight Pullover

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Patagonia’s Nano-Air Ultralight Pullover is built for speed and breathability. It keeps you warm without overheating, but don’t expect hand pockets.

Patagonia says: 

Dial in your existing layering systems or invent an entirely new one with the compressible, featherlight Nano-Air® Ultralight Pullover. This stretchy and ultrapackable insulated layer is built for cool, high-output days when you need breathability and just a touch of warmth to stay in your sweet spot for longer. Made in a Fair Trade Certified™ factory.

Our Verdict

Patagonia’s Nano-Air Ultralight Pullover is an impressively lightweight and breathable mid-layer designed for high-output activities in cool conditions. At just 214g (medium), it barely registers in a pack yet still offers enough warmth when moving.

The fit is spot on for active layering—trim without being restrictive, and the stretchy, soft fabric allows for complete freedom of movement. I was particularly impressed with the breathability; it kept me comfortable without overheating, even during intense climbs. The deep two-way zip offers quick venting when needed, something I will not be looking for in all pullovers, and the chest pocket is handy for small essentials.

However, the pullover design does have trade-offs. Like its full-zip counterpart, it lacks hand pockets, which I instinctively searched for—for storage and somewhere to warm my hands. Another slight downside is the omission of a hem drawcord. The elastic fit is decent, but I’d prefer to cinch it tighter in windy conditions.

– 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 is built from 100% recycled polyester ripstop with 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 shoulders, outer arms, and front and back body; uninsulated underarm panels vent heat and reduce bulk
• Slim fit is built for comfort under a harness and a backpack, and articulated patterning provides exceptional range of motion
• Deep, two-way, center-front zipper allows venting, with a smooth, low-profile zipper garage for next-to-skin comfort
• Low-profile, generously sized, vertically zippered chest pocket keeps essentials warm and close at hand; pullover easily self-stuffs into it, 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 the sleeves up the 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: 199g
• Medium weighs: 214g
• Large weighs: 233g 
• XLarge weighs: 250g
• 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™ factory

Help & advice:

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