See also: XXXs XXXL (chiefly clothing) extra extra extra large (the manufactured size) XXXL (singular only) (chiefly clothing) Initialism of extra extra...
(uncountable) One of several sizes to which an item may be manufactured. Synonyms: XXXL, 3XL (countable) An item labelled or denoted as being that size. (countable)...
volume 15, number 2, page 107: But she still wears her sweatpants in size XXXL, and hasn't lost that tomgirl touch. "A stylist kept trying to tell me to...