Try black or white or even red (after all you did win Shanghai in red). I personally would prefer sleeveless if you are in the mood to clear out your wardrode and purchase new clothes !!!
Yes, yes...and yes. Orange....yuck, nasty....reminds one of slimy gummi bears or something. And...it wouldn't hurt if he tried electric blue. And as for sleeveless, if he'd lose weight and get more definition in the arms, then I'd say go for it.