Size 38 (equals Medium):
shoulder width: 57 cm; length: 65.5 cm; sleeve length: 54.5 cm
Size 40 (equals Large)
shoulder width: 60 cm; length: 67 cm; sleeve length: 54.5 cm
100% wool.
Made in Japan.
I'm 160 cm and wears size 38 (medium). It fits loose on me.