19090 Features: -Waist belt adjusts to 54".-Shoulder straps have mesh ventilation.-Hydration ready holds up to 2.5 liter bladder (not included).-Quiet zipper pulls.-Built in padded carry handle. Dimensions: -Main compartment: 19" H x 13" W x 6" D.-Front compartment: 11.5" H x 9.5" W x 2" D.-Dimensions: 22" H x 12" W x 6.5" D.