Breathable warmth that moves with you. The Patagonia Women’s Nano-Air® Light Vest is designed to be worn through your entire adventure—from start to summit—without the need to change layers. Built with FullRange® 40g insulation and a 100% recycled polyester shell, this slim-fit vest delivers the perfect balance of lightweight warmth, breathability, and mobility for high-output mountain pursuits.

The mechanical stretch ripstop shell resists abrasion, moves effortlessly with your body, and features a PFAS-free DWR finish to shed light moisture. FullRange® insulation allows air to escape when you're working hard, while keeping you warm when you're not—so you stay comfortable throughout stop-and-go alpine activity.

Thoughtfully designed details like low-bulk armholes, a chin-friendly zipper garage, and three zippered pockets (including one that the vest stuffs into) ensure performance without compromise. All made in a Fair Trade Certified™ factory to support the people who made it.

KEY FEATURES

• LIGHTWEIGHT PERFORMANCE: 40g FullRange® insulation (93% recycled) for breathable warmth

• RECYCLED & RESPONSIBLE: Shell and lining made from 100% recycled polyester with PFAS-free DWR

• ACTIVE COMFORT: Slim fit with articulated patterning and stretch for full range of motion

• LOW BULK DESIGN: Clean armholes, hem, and zipper garage enhance comfort under layers or packs

• TRAIL-READY POCKETS: Two zippered handwarmer pockets + self-stuffing chest pocket

• FAIR TRADE CERTIFIED™: Responsibly made with fair labor practices