The Sandpiper of California 3-Day Elite Pack comes equipped with customizable pouches and plenty of packing functions for everyday use and multiday adventures. Customize the 3 modular/removable organization pouches to your needs using hook-and-loop attachment. Storage includes padded laptop compartment, fleece-lined optics pocket, and organizer panel. Engineered of 1000-denier Cordura or 600-denier nylon for abrasion-resistant durability. Padded, mesh-lined back and shoulder harness improve cooling air flow. Aluminum back stays on the Three Day Elite Pack enhance carrying stability. Manufacturer's lifetime warranty. Capacity: 20"H x 14.5"W x 8.5"D. 2400-cu.-in. Weight: 5 lbs.Manufacturer style #: 5041-O. Customizable modular/removable organization pouches Padded laptop compartment Fleece-lined optics pocket Organizer panel 1000-denier Cordura or 600-denier nylon Abrasion-resistant durability Padded, mesh-lined back and shoulder harness improve air flow Aluminum back stays enhance carrying stability Manufacturer's lifetime warranty