For notebooks up to 39.6 cm (15.6"): 396 x 267 x 43 mm External dimensions: 460 x 320 x 290 m Weight: 950 g Durable, water-resistant materials protect this backpack from daily wear and tear Middle compartment contains a spacious area for a change ofclothes and a slim pocket sized for files, documents or magazines Thick foam padding with breathable mesh covers pressure points in the shoulder blades and lumbar area to create airflow channels for ultimate comfort