This technical backpack is functional and large. This backpack features highly protective compartment for laptops up to 15”. There is large main compartment, front compartment with internal organization, pen slots and additional secure-zip pocket, external pocket for sunglasses, phone or keys. There are two external mesh water bottle pockets on the sides. The back straps are padded and adjustable. The mesh padded back panel is highly breathable. Bag dimensions: 19.7” (50cm) high x 13.8” (35cm) wide x 6.3” (16cm) deep