Pack a variety of gear and hit the trail with the 25L Guru UL Backpack in black/blue from f-stop. This pack features an internal aluminum frame, and an EVA-padded back panel. Carry the pack with the carry handle or wear it with the EVA-padded shoulder straps and waist belt. For added stability there's a sternum strap with an integrated whistle. The Guru UL Backpack is constructed from TPU-laminated ripstop nylon.