I bought this pack for my fiancé and she loves it. After several backcountry adventures it still looks new, a testament to its durability. It's large enough to fit everything you need for several nights on the trail. We fit a down sleeping bag, sleeping pad, cookware, clothing and food for several days all in this pack. My fiancé has climbed Horsetail Falls in Northern California and continued to hike all the way to Aloha lake. This is a fairly intense trail (4 pt. scramble through many parts) and she was comfortable the whole way. Most recently we hiked 14 miles into Desolation Wilderness with some fairly aggressive altitude changes and she was very comfortable (even loaded with nearly 40 lbs). I highly recommend this pack.