Patagonia M's Nano-Air Light Vest

A light, versatile insulated vest with high breathability for dynamic stop-and-go activities in the mountains.

The M's Nano-Air Light Vest from Patagonia is an insulated vest designed for active days on the mountain when you don't want to be constantly changing layers. It’s designed for activities that alternate between exertion and short rest periods, offering a balanced combination of warmth, breathability, and mobility. It provides consistently comfortable wear during active tours.

The breathable stretch ripstop fabric made from recycled polyester is abrasion-resistant, soft against the skin, and features a durable water-repellent finish. The FullRange insulation is highly breathable: During intense exertion, it allows excess heat to escape; during rest periods and at belay stations, it protects against cooling off. The flat quilting optimizes the fit and makes it easy to wear as part of a layering system, such as under a hardshell.

The features complement your technical equipment: Two hand-warming pockets and the left chest pocket provide storage space; if it gets too warm, you can stow the vest compactly in its own chest pocket. Cleanly finished, elasticated trim at the armholes and hem ensures a comfortable fit.

With the Nano-Air Light Vest, your upper body stays at a comfortable temperature while your arms remain free for your next move on the rock.