Constructed of 300D water repellent Polyester with PU backing and 55C matte PVC Leather bottom, with water resistant zippers Built-in USB 2.0 charging port and battery pack compartment Main compartment features padded tablet pocket, padded laptop pocket (up to 17'') with hook and loop secured strap, and simple organizer Front easy-access zippered pocket Front top zipper compartment features 2 neoprene pockets and key clip Luggage strap - padded for added backpack comfort; easily slips over luggage handle Features include 2 mesh side pockets, front daisy chain, adjustable air mesh shoulder straps with reflection, air mesh padded back, adjustable sternum strap and top loop