Thule Aion 40L travel backpack features a removable rolltop bag and has the maximum capacity still classified as carry-on compliant, making it the perfect backpack for air travel.

The shell fabric, lining, and mesh are made of 100% recycled materials. The bag’s rugged and durable waxed canvas fabric develops even more character as it ages and has a water-resistant finish that is free from toxic PFCs. All Thule Aion products are bluesign® certified, which ensures the protection of workers, consumers, and the environment.