If youre a light-and-fast hiker who wont settle for the stuff-sack-with-straps breed of ultralight packs, the Black Diamond Axiom 20 Backpack is your ticket to comfortable big-mileage days. The Axiom features a roll-top closure with a removable lid for additional streamlining, and plenty of pockets, loops, and straps accommodate all the extra gear youll need for long outings in the mountains.