Greg, Mike and Jeff Lowe were one of the greatest climbing families on earth. They were raised on the move, learning from a young age to love outdoor activities. By their twenties, the Lowe brothers were the leading climbers of their generation but the external backpacks available to them at the time were too heavy and unstable to let them progress further in the mountains. They needed a pack that could give them the ability to carry gear more securely with less weight and allow them to move more freely on demanding terrain. In 1967, Greg Lowe designed, tested and launched the Expedition pack from Lowe Alpine Systems. It was a revolutionary backpack that provided more freedom of movement to the climbers and featured an innovative internal frame, compression straps and many other completely new features. The expedition pack changed the outdoor industry forever, becoming the blueprint from which all modern, technical backpacks are derived.