5.11 Tactical is known for producing the finest tactical nylon goods on the market. They have several lines of backpacks and other products that will fill your requirements.
This backpack in particular, from 5.11 Tactical is part of the RUSH series of backpacks. The MOAB was designed to fill a specific niche that no other backpack in the Rush lineup can. The MOAB (Mobile Operation Attachment Bag) was conceived as a high performance tactical bag that can be easily picked up on the go and would store your gear in an organized manner.
The large main and front compartments give you plenty of space to store your larger equipment. Depending on the size of your load, the MOAB has modular storage expandability. This allows you to make enough room for what you need to carry. For smaller items, the MOAB 10 has several compartments and dedicated pouches.
For easy communications integration, the single shoulder strap on the MOAB 10 has an integrated coms pocket that has a pass through for headphone access.
For covert carry, this 5.11 backpack has a concealed pocket at the rear. This pocket is Backup Belt System compatible and large enough for a sidearm.
To keep you hydrated while you are on the go, the MOAB 10 has an integrated internal water bottle pocket that has a pass-though for a hydration tube.
A large amount of the external surface of this backpack is covered in nylon webbing. This webbing is MOLLE compatible. This gives you the ability to mount MOLLE compatible pouches on your bag, increasing you modularity and giving you the ability to individualize your gear based on your requirements.
For extended mission, the MOAB 10 comes complete with the 5.11 Tier System. This allows you to integrate the MOAB 10 with other 5.11 RUSH series backpacks.