ALPS Mountaineering Orizaba Internal Pack, Rust, 3300 Cubic Inches Top Loading-Expandable Top Lid allows you to keep you gear snug or allows you to situate items on the top giving you quick access to them Adjustable Shoulder Harness that consist of SoftEdge Shoulder Straps Side Mesh Pockets with Bungee creates even more storage and tie-down points Lower Door Access and Internal Horizontal Divider is a great seperation tool in case you just need to get to items located in the bottom of the pack Having a Padded Waist Belt, Padded Lumbar Support, Anti-Sway Straps, and Waist Belt Pocket make this a great feature to the Otizaba