Atrack MetrosphereOff the plane, quickly into a meeting and then a chance to switch off in nature the waterproof and dustproof Atrack Metrosphere turns your trip into an adventure between two worlds. Thanks to the unique opening principle, this minimalistic backpack functions like a duffle and is protected against unwanted access from the outside. The proven TIZIP zipper is additionally secured by two practical magnets. Inside, four inner pockets and a compression