Men's Summit Breithorn Jacket Tan This base layer features Core

This base layer features Core Spun technology—which is Merino wrapped around a nylon core for added durability while still keeping the comfort of ultra-soft

plus updated tech and durability that's guaranteed to lure you in

slimmer version of a traditional bifold

rendering open track space useless

and adaptability with the Speed Fusion Sport sandals

Men's Summit Breithorn Jacket Tan This base layer features CoreWe 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 or as an uncompromising outer layer, it thrives no matter where you take it. With highly compressible, water repellent 800 fill ProDown,