Guide to the adidas Yeezy Boost 350: Sizing, Care, and Popular Colorways - Stadium Goods Journal
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
A full Size Guide for Every Yeezy Model - Yeezy 350, 500s, 700s and more!