Fully lined interior. Fleece lined pocket for sunglasses or point-and-shoot camera. Roomy main compartment. Constructed of Eagle Creek's 420D HT Helix Ripstop Nylon / 210D HT Helix Double Box. Ergonomically shaped back panel with perforated foam and Air Mesh. 3D Foam, soft knit binding, non-slip lumbar and moisture-wicking Air Mesh for ultimate comfort. Zip away pockets for water bottles. Detachable daypack with Air Mesh padded back panel and shoulder straps. Fully Independent Suspension System designed for maximum carrying comfort. Fully lined interior. Fleece lined pocket for sunglasses or point-and-shoot camera. Roomy main compartment.