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.

• Stretchy, Breathable, Weather-Resistant Fabric - Shell and lining fabric built from 100% recycled polyester ripstop offers mechanical stretch, exceptional breathability and improved abrasion resistance, with a durable water repellent (DWR) finish made without intentionally added PFAS to resist light moisture.
• Featherlight FullRange Insulation - 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.
• Technical Fit - Slim fit is built for comfort under a harness and a backpack, and articulated patterning provides exceptional range of motion.
• Two-Way Zipper - Deep, two-way, center-front zipper allows venting, with a smooth, low-profile zipper garage for next-to-skin comfort.
• Self-Stuffing Chest Pocket - 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.
• Moisture-Wicking, Stretchy Cuffs - 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.
• Supporting the People Who Made This Product - Made in a Fair Trade Certified factory, which means the people who made this product earned a premium for their labor.
• 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.