THE WINGMAN: A large-volume travel backpack that doubles as a duffel KEEP IT ORGANIZED: Two laptop compartment, one for 13" and another for 17"; Mesh compression panel inside main compartment to keep items snug and secure; Wipeable bottom cargo pocket is perfect for a pair of shoes; Concealed water bottle pocket with exterior zippered access CLEVER EXTRAS: Detachable shoulder strap to be worn as a backpack or carry as a duffel; Tuckable waist strap for lumbar support; Security holes on main compartment zipper to attach a lock of your choice SPECS: Volume: 38.3 L; Weight: 4 lbs; Exterior dimensions: 12.6" wide x 22.6" tall x 7.9" deep