Security Pocket September 4, 2017 Steven Abramowitz Innovations, Micro Pack Keep ‘em safe and know where they are. Store keys, credit cards and cash safe in a rear entry back panel pocket. More Stories TPU Bag Protection Not Just on the Bottom. Kulkea uses generous amounts of high quality tarpaulin on the bottom… Smart Straps Got a Cap or Karabiner? Kulkea ski boot backpacks include webbing loops, daisy chains or… Hydration Holster Holds two small water bottles or one larger refillable bottle.