Olive Brown 12-ounce paraffin waxed cotton canvas exterior back pack with Polyester lining, Custom Brixton hat clip. Large main compartment with padded 16” laptop sleeve, Interior mesh zip pocket, two large quick-stash exterior pockets, two expandable water bottle side pockets, ergonomic straps with breathable mesh, trolley sleeve for stacked travel and durable metal zips and hardware SIZE + FIT GUIDE: Dimensions: 18.5” x 11” x 7.5” Volume: 23L