Overview of the Kelty Redwing 2560 internal frame backpack. Overall, its a great back, perfect for day or weekend hikes where you don’t need a ton of stuff. Stats: Capacity: 2650 cubic inches Weight: 3.2lbs Length: 22.5″ Width: 16.5″ Depth: 14.5″ – Removable Internal Frame – Hydration Compatible – Removable Waist Belt I got mine for a great price at www.sunnysports.com.