What does OG mean for sneakers? why i always see OG jordan shoes? is that replica shoes? why expensive

Basiclly there are 2 meaning： Firstly, OG can refer to the original colorways of shoes at the time of its initial release, i.e. Air Jordan 1 “Bred” is an OG. But it can also refer to the first release of a sneaker. but now the secondly meaning is more and more popular : The OG factory is currently the best version of Replica sneaker. OG represents the top craftsmanship and the highest quality materials. OG represents the original, and it means the closest 1:1 Replica sneakers! The price of the OG batch will be relatively high, but the corresponding price corresponds to the corresponding quality. The Replica sneaker of the OG factory will never let you down!

https://yunnan0594.x.yupoo.com/     OG Version shoes links some shoes can be cheaper but you can't see different by pics