Before you commit to three days of wandering in the wilderness, adjust the Mountain Hardwear Women's Lomasi 60 Backpack to fit your torso size and then fill it with the bare essentials to get you through the long weekend. With its 3650 cubic inches of available space, you won't have a problem fitting what you need into the Lomasi, which also features three easy-access points to the main compartment for added convenience.