Features:

• Large mesh pocket in main compartment
• Front pocket holds optional regulator bag
• Dual extra large side pockets
• Hide-away zipper closure for backpack straps and spare pocket
• Padded front and back, and a carry hangle on the top, side, and bottom
• Zipper opens the whole front for easy access via a side zip 
• Non-corrosive components
• Maximum anti-abrasion protection (corner piping, PVC covered bottom)

Capacity:8500 cubic inches.
Overall Size: 30 x 23 x 11