I have two of these. Liked the first one so much for hunting/hiking, I bought a second one as my go everywhere bag. These are really perfect. 5.11 finally hit the sweet spot with their packs
http://www.511tactical.com/all-hazards-nitro.html5.11Tactical All Hazards Nitro Pack.:
http://youtu.be/eONCOz0pSi8