This uniquely shaped daily workhorse has a bike friendly profile, large main compartment and water resistant zippers. Stash your laptop in a padded sleeve accessed through a side panel zipper. Multiple exterior storage pockets indulge your packrat nature, while custom hardware and premium finishings complete this more refined backpack. Main ï 100% Polyester Heathered 2-Tone. Bottom Panel ï 200D Waterproof Tarpaulin. Lining ï 210D Nylon ripstop. Main compartment opening has water resistant coated zipper. Padded computer storage sleeve accessible by water resist coated zipper on side panel ï fits 15ï laptop. Padded shoulder straps with adjustable sternum strap and waistbelt.