From Longman Dictionary of Contemporary Englishbaggybag‧gy /ˈbæɡi/ adjective LOOSEbaggy clothes are big and do not fit tightly on your body OPP tight She was wearing jeans and a baggy T-shirt.
Examples from the Corpus
baggy• I like T-shirts as long as they're really baggy.• Bill was wearing a polo shirt and baggy blue pants.• It obviously showed, but I wore big baggy clothes.• The man who got out wore baggy cotton fatigues and knee-boots.• She had always had grey hair, scraped back into a no-nonsense knot and wore baggy knitted suits.• a baggy red sweater• Pulling on the soft, baggy shirt she slept in, she sat on the bed and massaged her legs.• Miguel was wearing one of his new silk shirts, baggy whites, and loafers. 