Backpack with 3 waterproof compartments. Ergonomic breathable mesh back. Added protection on zippers. Padded base with reinforcing plastic protector. Padded and reinforced shoulder pads. Includes identifier and organizer inside. Pocket on the outside side. Capacity for 15.6'' laptop. Made with PVC-free material, with a high-density and higher quality fabric. Its waterproof material added to the covered zippers protect the interior from the rain. Measurements: 32x44x18 cm