Buy from Amazon : http://www.amazon.com/gp/product/B000P3ZB88?tag=wayofcats-20
Tamrac 5768 Velocity 8x Pro Photo Sling Pack (Black)
Holds a pro digital SLR with a grip such as Canons 5D Mark II or Nikons D700
8 zoom lens attached
Two vertical foam-padded dividers that are internally reinforced with rigid plastic
The Velocity 8x can be carried comfortably like a backpack
Secure zippered Quick Flip Top
Sling strap comfortably distributes the weight