We don’t just say it, we live by it: Athlete Tested. Expedition Proven.™ It might look like a puffer, but this jacket has been put to the test in some of the harshest conditions on earth. That’s how we innovate. We find the crux, improve our beta and build it better. Adapted to the high alpine as a flexible mid layer, it thrives no matter where you take it. With highly compressible, water-repellent 800-fill ProDown™ in the body and stretchable sleeves and side panels, you can move lighter and faster through the mountains or the daily elements. Engineered for mobility. Cut for precision. This is Summit Series. This is the Breithorn.

• Fit: Slim fit / Internal hem cinch-cord with a single-point adjustment
• Warmth: 800 fill ProDown™ is a natural down insulation enhanced with a hydrophobic finish that helps it to dry faster than untreated down
• Innovation: Pertex® Y Fuse fabrics have enhanced downproof and water-beading properties, per Pertex® specifications, due to uniquely engineered Y-shaped filaments
• Sustainability: Body fabric and lining made with recycled nylon
• Fluorine-free DWR finish for added water repellency
• Exposed, #3 YKK® VISLON® center front zip with an insulated internal draft flap
• Chest pocket and hand pockets with exposed, water-resistant, reverse-coil zips
• Stows in left hand pocket
• Two large, internal drop-in pockets