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
• Warmth: 800 fill ProDown™ is a natural down insulation enhanced with a hydrophobic finish that allows 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 100% recycled nylon; hood, sleeve and side-panel fabric made with 88% recycled nylon
• Designed for lightweight performance
• Hybrid construction features an insulated body and non-insulated, stretch-woven hood, sleeves and side panels for range of motion
• Fluorine-free DWR finish for added water repellency
• Low-profile hood with a pre-tensioned elastic opening for a secure fit
• Exposed, #3 YKK® VISLON® center front zip with an insulated internal draft flap
• Raglan sleeves and underarm gussets for arms-up mobility
• Chest pocket with an exposed, water-resistant, reverse-coil zip and internal mesh pouch
• Hand pockets with exposed, water-resistant, reverse-coil zips
• Stows in left hand pocket
• Flat-sewn elastic cuffs with integrated thumb loops