This is a collared shirt from Japanese fashion house COMME des GARÇONS. It is part of their "Check" line.
NòMarythm Textile
System
COMME des GARÇONS
Libertine-Libertine
R13
Highs And Lows
Carhartt
Henrik Vibskov
Yardsale
Noon Goons
Garbstore
Universal Works
Ferragamo
Another Aspect
Barbour
Carhartt WIP
Beyond Medals
Nanamica
Miu Miu
Gramicci