Verified answer

I agree, medium should be perfect. But keep the receipt just in case.

Small.

Probably a medium or small. I'd be safe and get the medium. He can always exchange it

just take him out to a department store and try different clothes on him, as a ruse....don't go overboard.....

Small, unless he likes it baggy, then get medium.

I'm 5'7, 150. I wear Small.

Medium

Medium