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If you're looking for a mid-layer in the rapidly growing 'active insulation' category, then the versatile Patagonia Nano Air Light Hybrid is right up there with the best on test.

patagonia nano air light hybrid
Overall Score
Versatility and weather protection in a fast and light package, the DWR finish keeps light rain/snow at bay so you can keep moving towards your goal  
No ability to stuff into its own pocket but let's be honest, this is a piece you're going to be wearing rather than carrying


Building on the success of the original Nano Air, the new Nano-Air Light Hybrid offers a continuous wear solution aimed at 'high exertion users in cool conditions'. Simply put, that means anyone engaged in high-energy mountain missions like ski touring.


If you tend to run on the warmer side out on the hill then the Nano-Air Light Hybrid will be right up your street. With 40g FullRange stretch insulation, the new addition to the Nano-Air family provides warmth and protection up front where it's needed but the real difference comes when you turn it over. Mega breathability ahoy.


The back and sides of the Nano-Air Light Hybrid are constructed using a knit hybrid fabric that wicks away moisture, helping to regulate body temperature and cool things down when the action heats up on the mountain. The soft, stretchy waffle knit fabric not only delivers excellent breathability, it's also exceptionally comfortable, offers great freedom of movement and is super tactile.


We've used the Nano-Air Light Hybrid for a variety of aerobic mountain missions this winter and have been incredibly impressed with its performance across a wide spectrum of activities and conditions. From warm, sunny ski tours in the Aosta valley to wild and windy lift accessed powder days in the Chamonix valley, this jacket really is incredibly good at getting rid of body heat during a range of high-exertion activities.


A quiver-of-one mid-layer is the holy grail for many fast and light mountain athletes but with the advent of the Nano-Air Light Hybrid, that search may finally be over.

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