He takes his jacket off and slips the sweater on over his plaid. It fits-- it's clingy, but it fits and it really makes his features pop, since they're so lightly-colored. The neck would look even better without a collar peeking out from under, but he's not undressing at the party.

Smiling brightly, he reaches out to touch part of his now warm and slightly fuzzy arm to Tony's hand, to show that he's wearing the clothes.

Yes, it's very much a like.