amazon.com has the Osprey Manta 34 Men’s Hiking Hydration Backpack on for $135.00 with free shipping.

• Dedicated hydration compartment with included Hydraulics LT 2.5 Reservoir
• Stow-On-The-Go trekking pole attachment
• Dual-zippered hip belt pockets and dual access side stretch mesh pockets
• Adjustable sternum strap with magnetic closure and bite valve attachment
• Large panel access front pocket with internal organization