By Cam Vigliotta From the trekkers toiling away in the humid hills of the east to the wanderers marching their way over summits out west, you’d be hard-pressed to find a dedicated hiker in this world that hasn’t yet heard of Hyperlite Mountain Gear (HMG). The Biddeford, Maine-based outfitter got its start in 2010 as an ultralight backpacking cottage brand when “ultralight” was still a fringe concept reserved for those thru-hiking the country’s longest trails. But times have changed. Nowadays, ultralight gear isn’t a foreign concept, but a movement that’s redefining our relationship with the ou…