First Ascent! Guide Built. Guide Trusted. At 20,000 feet, the choices you make aren't casual. Lives depend on them. The gear you wear. The people you rope up with. No one knows this better than mountain guides. So we teamed with some of the best mountain guides in the world to build the best gear in the world. Simple. Functional. Light. Durable. Equal to any altitude. On any continent. We know. Our guides live in it - from Antartica to McKinley, Kilimanjaro to Aconcagua, Rainer to Everest. First Ascent. Everything you need. Nothing you don't.