An insulation breakthrough: The Nano-Air Vest featuring FullRange insulation is warm, stretchy and so breathable, you can wear it for the entirety of any highly aerobic start-stop mission in the mountains.
Features
Light, yet durable 100% nylon ripstop shell and plain-weave liner offer generous mechanical stretch and exceptional breathability, with a DWR (durable water repellent) finish
Revolutionary 60-g FullRange insulation warms and stretches; combined with the shell and liner, this creates a vest with excellent mechanical stretch and unprecedented air permeability (40CFM)
Iconic Nano Puff brick quilting in the side panels improves shape and durability
Center-front zipper has wicking interior storm flap and zipper garage at chin for next-to-skin comfort
Two handwarmer pockets and a left-chest pocket are zippered, welted and low-bulk to work comfortably with a harness or pack
Stretch binding at the armholes and a dual-adjustable drawcord hem seal in warmth
Sun-warmed rock down low, icy runnels up high: sendin' temps. Whatever your preferred medium, core warmth matters and our Nano-Air Vest keeps pace throughout high-output, stop-and-go missions in variable conditions. Its stretchy and highly breathable fabric package integrates the qualities of fleece, soft shell and puffy. Our warm-when-wet FullRange insulation is sandwiched between a plain-weave liner and a lightweight yet durable, weather-shedding nylon ripstop shell with a DWR (durable water repellent) finish—all of which means you can put it on and leave it on. The vest's soft, supple feel and full mechanical stretch allow for a close, athletic fit over baselayers and an uninhibited range of motion. The left-chest pocket and two handwarmer pockets all close with trim, low-bulk zippers. The center-front zipper has a storm flap and zipper garage, while stretch binding at the armholes and a dual-adjustable drawcord hem seal in warmth.
Materials
Shell: 1.3-oz 20-denier 100% nylon ripstop

Lining: 2-oz 50-denier 100% nylon plain weave

Both shell and lining with mechanical stretch and a DWR (durable water repellent) finish

Insulation: 60-g FullRange 100% polyester stretch insulation


Weight
252 g (8.9 oz)