Superdurable CORDURA® Ballistic nylon for puncture- and abrasion-resistance Large zippered main opening allows quick access to your stuff A raised, padded sleeve protects most 15" laptops and secures with a buckle and strap Zippered external pockets keep travel necessities within easy reach Integrated docking sleeve slides over telescoping luggage handles Body: 9.25-oz 940-denier CORDURA® Ballistic 100% nylon with polyurethane coating. Lining: 8.4-oz 600-denier 100% recycled polyester. Both treated with a DWR (durable water repellent) finish 29.9 ounces