It is somewhat of a cult brand in Japan, quality is top notch and their bags are iconic, they have done many collaborations with other brands and produced limited editions of their bags, this is a tell tell sign of their status. Mostly famous for the Porter brand and the bomber jacket green with orange interior messenger bag. :



They are famous for their luxurious feel and look and high sheen that can be spotted from a long distance even when using a dark colorway as seen in this picture:



Here some history of the brand:

https://www.heddels.com/2018/10/yosh...brand-profile/

If you are interested in one just buy from a place with a good return policy so that you can buy one and have a look and feel and then return it if it is not something you like. But mots people who buys Porter bags really like them!