The M.U.L.E.® Frame Pack, Large is built from the ground up for long-range adventures with 4.5L of total capacity. Made from recycled sailcloth, it features a Quick Stow 2L Bike Reservoir that provides plenty of hydration for the long haul, and a zippered pocket for securely stashing your essentials. This large model hauls enough hydration to help you stay strong on multi-day adventures, while providing plenty of extra space for all your essential gear. The adjustable straps ensure a secure fit, and the zippered pocket allows you to stash electronics like your phone, GPS, or other gear while keeping everything close at hand. Sizing: The M.U.L.E.® Frame Pack, Large will fit most medium sized frames (54cm+) and up. Pack dimensions: 48cm x 18cm x 5cm / 18.9in x 7.09in x 1.97in Gear Capacity: 2.5L Reservoir Capacity: 2L