"Good plaid" refers to a patterned fabric, usually with a crisscross design of different colors. It is used to describe plaid that is considered attractive or pleasing. Full definition
I'm pretty sure Mrs. Claus never looked this fab, though... There's SO MUCH good plaid out there right now, especially the festive winter versions (not the 90's grunge ones). (themomedit.com)
Muted colors, opulent combinations, and classic weaves remind us why a good plaid never really goes out of style. (thestore.com)
Throw in a good plaid shirt (JCrew makes the -LSB-...] Read more... (adashofpretty.com)