This is the Granite Gear Superior, the largest and most fully featured pack in the Granite Gear Barrier backpack line. The Superior is tall and slim to efficiently accomodate laptops, books and lunches, and is made with Taurpalite and Repelaweave fabrics for optimum durability and weather resistance. Its ergonomic max load multi compartment design helps you get the most out of your pack. Zippered side pockets, a useful organization panel, and a Barrier zippered stash pocket keep everything well organized and well protected. Within the main compartment, youll also find a dedicated Gear Tec computer sleeve thats built to protect and carry laptops up to 17 inches.The Superior also boasts external storage options, including gear loops, stash straps and stretch mesh hydration pockets. Granite Gear designed its suspension system with a load bearing, hide away hip belt, a raised foam back panel with lumbar support, and a breathable shoulder harness. With the Superior, Granite Gear accents overflowing features and capacity with its trail tested, load carrying technology, to ensure that every load is carried comfortably, efficiently and with peace of mind. Repelaweave fabric with Taurpalite bottom for maximum protection against elements. Ergonomic MaxLoad multi compartment design. Barrier Zipper tricot lined pocket for valuables. Breathable load absorbing shoulder harness with load lifter straps. Load stabilizing sternum strap. Hide away load bearing waist belt. Ergonomic raised foam back panel with lumbar support. Adjustable compression straps. Bottom stash straps. Dedicated Gear Tech computer pocket fits most 17 laptops. MOLLE loops for easy attachments. Dual stretch mesh hydration pockets. Multi pocket organizer. Dimensions: 19.75x13.25x8.25. Capacity: 1950 cu. in. 32 Liters.