Yeezy Day is here again -- and Kanye West is pissed about it ... claiming Adidas never got his approval for this year's event, and going off about several other issues he has with the brand.
The artist spelled out his issues in an IG message to Complex on Tuesday ... which marks the third annual Yeezy Day, where Adidas re-releases a lot of the popular models from Ye's sneaker line for two days.
Ye didn't hold back about Three Stripes -- saying, "Adidas made up the Yeezy day idea without my approval.