The North Face Borealis Backpack (Zinc Grey Heather/Asphalt Grey) FlexVent injection-molded shoulder straps with a top layer of Atilon foam and bottom layer of PE foam for added support Comfortable, padded Airmesh back panel with Spine Channel and PE sheet for extra back support Dual stretch-mesh side water-bottle pockets Large secondary compartment with organization and PU zipper Sturdy top carry handle