The Xtreme is ready for urban work school or outdoor activities. 600 denier polyester printed canvas with 600 denier polyester canvas accents Hydration port at top Main compartment with dedicated padded laptop sleeve/hydration pouch Air mesh padded back panels Ergonomic air mesh padded shoulder straps Sternum chest strap Stretch air mesh side pockets Front zippered pocket with key clip Side-entry front flat zippered pocket Daisy chain attachment system Laptop sleeve dimensions: 13 h x 12 w x 1 d; fits most 15 laptops Dimensions: 19 h x 13.5 w x 5.5 d; Approx. 1 410 cubic inchesNote: Bags not intended for use by children 12 and under. Includes a California Prop 65 and social responsibility hangtag.