Biltwell invested many hours of R&D on this EXFIL unit, they wanted their first backpack to be the last one you ever need. One main & two secondary compartments hold 48 12-ounce beverage cans — that s two cases of cold beer to get the party started if that s your mission. The lower secondary zipper compartment has a PVC-treated tool caddy & an internal zipper pouch to hold wrenches & small gear securely. The top secondary compartment houses an internal zipper pouch, & all three compartments have hi-vis orange nylon lining to make spotting contents easy. The padded shoulder straps feature an adjustable sternum strap to stabilize heavy loads. Cinch straps around EXFIL-48 s perimeter do two things: compress loads for greater stability, & fasten the bag to your sissy bar when it s time to hit the highway. Like all EXFIL gear, the 48 was designed by bikeriders for bikeriders. Features include compression straps that do double duty as mounting straps, so you can fasten your backpac...