The official Yeezy Supply page explicitly tells you to order a half size up. Does that mean that's the canon sizing and not just a thing everyone decided to do? : r/yeezys
Yeezy Supply Raffles and Releases Dates | Sole Retriever
The Wonders of Kanye West's Redesigned Yeezy Supply Shop | Muse by Clio
YEEZY WAVE RUNNER 700が8/13にYEEZY SUPPLYで発売 | God Meets Fashion