Techlite shoulder straps. Main compartment with interior hydration or laptop sleeve ;fits most 15" laptops. Backdraft ventilated back panel. Multi-point adjustable compression straps. Three organizational pockets. Sternum strap with rescue whistle. Two water bottle pockets. Reflective zipper pulls. Trekking pole attachments. Stowable rain cover. Adjustable hip belt with accessory pockets. 100% Nylon with PU coating.