The Timbuk2 Swig cycling backpack offers messenger-inspired functionality with everyday comfort and convenience for carrying a laptop and your day-in, day-out essentials. Padded, low-profile internal laptop compartment provides full protection without bulkiness for up to a 15 in. laptop. Access the main compartment easily via top flap or through Swing Around(TM) side access zipper, which lets you grab the laptop without having to take off the pack. Interior boasts large compartments and an organization panel to help keep your stuff sorted and easily accessible. Ventilated, padded back panel and contoured, adjustable shoulder straps provide carrying comfort for heavy loads. Shoulder straps also feature accessory loops for easy attachment of accessory pockets, gadgets or gizmos. Also includes a bottle opener on the shoulder strap and a safety flasher attachment loop (bottles and light sold separately). The Timbuk2 Swig cycling backpack is constructed of abrasion-, moisture- and tear-resistant ballistic nylon for exceptional durability.