City exploring or walking to work, Keens Hawthorne sling is speed ready. Recycled materials inside and out maintain a focus on the environment. The exterior is highly weather-resistant and durable. The channeled back panel allows air to circulate when you need to pick up the pace. Product features include: Polyester ripstop and TPU exterior, Recycled polyester lining, Molded rubber bottom, Top drawcord closure, Recycled hardware, Full lining, Molded foam back panel, Interior zip pocket, Top zip pocket with headphone port, Adjustable shoulder strap, Exterior dimensions: 13-inch L x 17-inch H x 3.8-inch W.