This is a Mandarin Collar Shirt from Sage de Cret in a classic white colorway.
Sage De Cret
Homme Plisse Issey Miyake
Garcia Bello
Ymc
Universal Works
Dries Van Noten
Haversack
Nilmance
Rick Owens
Hansen
Toogood Men
Lardini
Our Legacy
Giorgio Armani
Yohji Yamamoto Pour Homme
Still By Hand
Studio Nicholson
Off-White