This is a collared shirt from Japanese fashion house COMME des GARÇONS. It is part of their "Check" line.
Libertine-Libertine
NòMarythm Textile
Wood Wood
System
Dunst
Yardsale Skateboards
Carhartt
Yardsale
Noon Goons
Garbstore
Our Legacy
Carhartt WIP
COMME des GARÇONS
Gramicci
Beyond Medals
Nanamica
Pierre Cardin
Psa