*External and internal accessible laptop compartment: 18in x 10in / 46cm x 26cm*The Burton Annex 2.0 28L Backpack brings old-school rucksack charm and tech-ready organization to your daily commute and weekend escapades. Access the laptop sleeve from inside or outside the pack. Strap on a jacket or yoga mat for quick access. And keep all your everyday carry stuff easy to find in one of the zip pockets.*Adjustable webbing for attaching a jacket or yoga mat; Cush ergonomic shoulder straps with adjustable sternum strap