Clipper Craft sport Jacket men’s 40R Suit Jacket grey

Suit/sport jacket with tiny checkered design. Listing as a 40 R. Size tag missing so pls be guided by the measurements and feel free to ask me questions. Sleeves 25” long with three buttons each. Button down front. Measures 20 1/2” from arm pit to arm pit. From center at neck in back to hem 30 1/2” From top of arms across in back 18” slit in back. In great condition 😊💐