The Tumalo pack offers 2,300 cubic inches of storage capacity. Constructed of lightweight 420D ripstop nylon for ultra light weight. The three storage compartments are access through YKK dual slide zippers. Main compartments include hydration storage and access port, integrated laptop retention, mesh organizer and key lanyard. Front panel includes quick access slash pocket and integrated laster cut attachment panel wiht patent pending 1080™ technology providing secure mounting points for pouches, tools and accessories in a vertical, horizontal and diagonal orientation. Ariframe technology combined with a padded shoulder and removable waist sttrap support carry comfort.