Product Details:

• One large main compartment
• One outside pocket with inside mesh accessory pockets
• Hydration pocket with Velcro closure and carrying handle
• Includes a 2.5 liter bladder
• Modular attachment points on front face
• Expandable design and stay-cool mesh backing
• Fully adjustable shoulder straps
• Heavy duty zippers and hardware
• Fully expandable
• Size: 17" x 8" x 5"