If shape resembles more of something like a circle then the oblong shape.
Now if you realize the T shirt fits him just right then can easily take drinks . measurements because your standard while selecting Garments in the shops. http://Dougandvicki.com/__media__/js/netsoltrademark.php?d=jkmulti.vip%2Fbbs%2Fboard.php%3Fbo_table%3Dfree%26wr_id%3D5075711