This backpack is designed for any day hike or urban adventure. It has a hydration port and tube keeper on the shoulder strap as well as a padded laptop sleeve.| Rugged 600D ripstop polyester with PU coating Bottom is 600D woven polyester fabric with PU coating Sternum chest strap with integrated whistle Quick-release buckles Multiple pockets for easy organization Side compressions straps with Hypalon anchors for load stability Adjustable padded shoulder straps Air mesh back panel Contrast Eddie Bauer logo on front patch and shoulder strap Laptop sleeve dimensions: 11’h x 11’w x 1’d Dimensions: 18.5’h x 10.5’w x 7.5’d; Approx. 1,457 cubic inches Capacity: 1,281 cu. in./21L Weight: 1.4 lbs./0.63 kg Note: Bags not intended for use by children 12 and under.