Ultralight Adventure Equipment produces a number of the top backpacks used by hikers on the Appalachian Trail. We were thoroughly impressed by the performance of the ULA Ohm 2.0. The Ohm is one of the company's lower volume packs and is perfectly sized for experienced ultralight backpackers. This high-performing back is ideal for 15 and 30-pound loads. It also has a great set of features, including larger-than-average side pockets and hip belt pockets.
While the Ohm 2.0 finished towards the top of the fleet, the Gossamer Gear Mariposa was ultimately our Editors' Choice Award winner. Following closely behind, we find the Gossamer Gear Gorilla's frame is both more robust and easier to remove if desired. In addition, we prefer the Gorilla's choice for distributing external storage. It has a large, stretchy main pocket; a superior top closure; and a removable foam back panel, all of which are superior features compared to the Ohm 2.0.