How to tell the authenticity of 5 1 1 backpack?

Check the appearance and check the details of the backpack.

1, genuine 5 1 1 backpacks have detailed appearance, uniform color, good gloss of metal parts such as zippers and buckles, while fakes have problems such as uneven color and zipper burrs.

2. The genuine 5 1 1 backpack has uniform wiring, wireless head or defects, and the surfaces of metal parts such as zippers and buckles are smooth, while the fake backpack has problems such as uneven wiring and exposed thread heads.