Built for aerobic, start-stop days in the mountains — skinning, scrambling, fast-and-light approaches — the Nano-Air Light Jacket is made to stay on from the trailhead to the summit. It breathes hard when you're working and holds warmth when you stop, so you're never slowed down swapping layers mid-effort.
The whole system is engineered to move air. A 2-oz, 30-denier 100% recycled polyester air-permeable stretch ripstop shell and a lighter 1.6-oz recycled polyester shadow-ripstop lining sandwich 40-g FullRange® insulation that is warm, stretchy and exceptionally air permeable. Both fabrics carry a durable water repellent (DWR) finish made without intentionally added PFAS, and articulated patterning with low-profile quilting keeps everything mobile.
Standout features:
- FullRange® insulation — 40-g stretchy, air-permeable fill dumps excess heat when you push and traps it when you rest
- Breathable stretch shell — recycled polyester ripstop is abrasion resistant and comfortable next to skin
- Self-stuffing design — the jacket packs into its own left-chest pocket for easy stashing
- Harness- and pack-friendly pockets — two zippered handwarmers plus a zippered chest pocket, all low profile and low bulk
- Center-front zipper — with a zipper garage at the chin for next-to-skin comfort
- Variable Conditions Cuffs — snag-resistant cuffs pull up over the forearms for venting and visibility, with a clean-finished hem
Materials lean responsible: shell, lining and insulation are all 100% recycled polyester, the fabrics are certified bluesign® approved, and the water-repellent finish is made without intentionally added PFAS.
Right pick for high-output cold-weather pursuits — ski touring, winter trail running, alpine climbing and brisk hikes — where a static puffy would leave you clammy but a bare shell would leave you cold.
The details
- Shell: 2-oz 30-denier 100% recycled polyester air-permeable stretch ripstop, PFAS-free DWR
- Lining: 1.6-oz 30-denier 100% recycled polyester air-permeable stretch shadow ripstop, PFAS-free DWR
- Insulation: 40-g FullRange® 100% recycled polyester, migration-resistant
- Certification: fabrics are bluesign® approved
- Fit: Regular fit
- Weight: 332 g (11.7 oz)
- Country of origin: Made in Jordan and Vietnam
- Care: Machine wash cold, do not bleach, tumble dry low, do not iron
- Style No.: 82870
