Vibrant Checked Print Mod, Scooter Boy,Skin Shirt
In excellent vintage condition. 
Made for Frappant Extra
Possibly 80s or 90s era. 
Colours of blue, orange, green and brown. 
Single button cuffs, slightly stiffened collar. 
No sizing labels. I'd say XL or XXL 
Measurements laid flat:
Pit to Pit: 25"
Waist: 24"
Length from collar: 27"