Lowepro CompuDaypack Camera Bag (Slate) CompuDaypack Capacity: 2 pro SLRs, 3-4 lenses (up to a 105mm f/2.8), flash and digital, MP3 player & audio player accessories Countoured shoulder harness and lumbar support with DryFlo Mesh makes this backpack comfortable to wear Three compartments to neatly organize and carry your laptop (up to 17"), digital camera equipment, MP3 player, and personal accessories NoDrop bottom compartment opens wide for easy access without spilling out any gear. SlipLock attachment tabs to accessorize with camera pouches, lens cases, cell phone pouch and more