CLASSIC KELTY PACK DESIGN: Does the origins collection look familiar? Ask your boomer parents about the OG Kelty Backpacks, they’ll have stories to tell. The Origins Collection features classic Kelty vibes with modern materials SAFE LAPTOP STORAGE: Padded laptop sleeve with soft touch fabric lining and secondary external zippered access. Internal mesh drop pockets within main compartment for cords, chargers and accessories PASS THROUGH BACK PANEL: Piggy back on your roller bag while at the airport or use the pass through back panel to stash your rain shell or fleece when the sun comes back out HYDRATION COMPATIBLE: If you feel like taking to the trail, your Origins pack has you covered with integrated hydration storage and straw pass through NITTY GRITTY: 29 Liters internal space, 19x10x7 inches overall size, 2 pounds empty weight, Polyester construction with vegan leather accents