New! Sitka Drifter Travel Pack Laptop Backpack. The exterior is constructed of a durable and water-resistant 450-denier nylon ripstop TPU-laminated face with a durable water repellent exterior and interior. With an array of features designed to balance convenience and comfort, the Drifter Travel Pack is built to be an uncompromising companion in the overhead bins of business flight or tucked away at your feet on an Alaskan puddle jumper. External Stretch Mesh Side Pocket: Easily stow necessities for all your endeavors. Internal, stretch lycra-bound storage compartment: Gone are the days of loose chargers floating around in your bag. Zip-secure and padded laptop sleeve: Effortlessly tuck your laptop away on business flights and other adventures. Top and side padded handles: Strikes the perfect balance of being durable while also highly functional.