As one of the larger options of Deuter's lightest day pack options, the Women's Speed Lite 30L SL Backpack is made for conquering long days and steep treks. Weighing less than two pounds, it still holds enough room for layers, lunch, and water, but won't slow you down when you've got your site set on multiple peaks and need to move swiftly. Zippered stash pockets on the waist belt keep your phone or lip balm close at hand, while the zippered lid offers a spot to keep your lunch so it doesn't get crushed. A hydration sleeve makes it easy to sip from your 3 liter bladder without pausing to dig in your bag, leaving room in the two side stretch pockets for a summit beer or two.
If the backbone of the Speed Lite is the tensioned Delrin U-Frame, then the circulation system is the Lite Air back panel. It offers minimalist padding without detracting from stability, and cool ventilation on warm days. The padded shoulder straps and breathable waist belt keep you comfortable on longer treks, and both can be adjusted for carrying larger loads.