Incredibly light but protective backpack works in tandem with rolling hard cases. Carry on backpack fits all international carry on requirements, and fits into the overhead of very small planes.

• Very lightweight yet protective.
  
• Compatible with rolling hard cases.
  
• Holds multiple SLRs and lenses.
  
• Holds up to a 500mm 4 lens.
  
• Inner clear zippered pockets.
  
• Fits in the overhead bins of small planes.
  
• Optional laptop case fits in front pocket.
  
• Light but comfortable harness system.
  
• Locking zipper sliders.
  
• Clear business card holder.
  
• Handles on top, side, and bottom.
  
• Seam-sealed raincover included.
  

Pelican 1510 hard case.
Hardigg Storm Case iM2500