Being ready for any situation is all about versatility. This tough as nails pack is designed to be able to maximize volume. Outside the main compartment there are multiple quick access pockets, a water bottle pocket on the side, and a zippered base storage compartment for boots. FeaturesHeavy-duty, 700-denier nylon with Rain Defender™ durable water repellent and coated fabric in key wear zonesGlove friendly zipper pullers and side release buckles for easy accessBack panel trolley sleeve allows you to slide backpack over handle of trolley luggage1 side mesh bottle sleeve1 weather resistant zippered side pocketZippered base storage compartment for boots or dirty clothes15 inch padded laptop storage compartment with zipperFile folder and zippered phone sleeve on the inside of main compartmentWide mouth main opening for full visibility of insideSide sleeves on each side of inner main compartment for stowing larger itemsModel No. CBO443Country of Origin: Imported Carhartt Men's 35L Nylon Workday Backpack Black