This is a classic raglan sleeve coat from APC, designed with a straight cut and knee length.
A.P.C.
Girls Of Dust
Unlikely
Rier
Nanushka
Studio Nicholson
NN07
Namacheko
Auralee
7115 By Szeki
Palmes
Margaret Howell
The Frankie Shop
Dries Van Noten
Welter Shelter