Cold has nothing to do with it. How else are underthings supposed to look? [These are perfectly normal undergarments as far as he's concerned.]

I don't know how to kill them yet. This one hasn't turned into anything large, so unless they have an exoskeleton of biosteel I don't imagine they'd be...[He chokes a little as a leg of underwear wraps around his neck. Then switches to his respiratory bypass to finish his sentence.] ...too difficult to kill.

[He switches from throttling the thing to trying to pull it away from his throat. It takes advantage of the shift in his grip to escape again.]