The 838 and 807 of Huali rain boots refer to two different styles of rain boots. Their main differences lie in design and application scenarios. Specifically:

* Huali rain boots 838 are mid-high industrial and mining rain boots with the functions of anti-slip, waterproof, wear-resistant and anti-kitchen work boots for men.

* The design and application scenarios of Pull Back Rain Boots 807 have not been mentioned yet.

In short, 838 and 807 are just two different style numbers and have no special meaning. Which one to choose depends on actual needs and usage scenarios.