Topo Designs Global Travel Backpack One-Bag Wonder One-bag travelers who don't want to check a thing need a backpack that pulls double duty as their only piece of luggage. The Global Travel Backpack expands from 25 to 27 liters with a zippered side panel, so it flexes to fit a few extra days of gear, and a padded clamshell laptop compartment protects a 16-inch laptop through security and beyond. A pass-through sleeve on the back lets it stack on rolling luggage, and contoured straps with load lifters keep it comfortable whether it's a quick flight or a full day of walking. Features Recycled nylon, durable construction that handles airport floors and cobblestone streets alike Expandable side panel, grows from 25L to 27L when you need the extra room Padded clamshell laptop compartment, fits up to a 16" laptop Pass-through luggage sleeve, stacks on rolling luggage for easier hauling Stretch-mesh water bottle pocket, holds bottles up to 32 oz Contoured straps with load lifters and detachable sternum strap, comfortable carry for long travel days SPECIFICATIONSIntended Use Travel, Commuting Volume25 L, expandable to 27 LMaterial200D Recycled Nylon Ripstop (Front Panel), 1000D Recycled Nylon (Body), 210D Recycled Nylon Liner, PFC-Free DWRDimensions18. 75" x 12. 5" x 7. 75"Weight38. 8 oz Laptop Sleeve Fits up to 16" | Topo Designs | Global Travel Backpack | Nylon