Collocations for shorts - noun

cut-off (esp. AmE), knee-length
baggy, loose
tight
long, short
athletic, basketball, bike (esp. AmE), board (= for surfing), cycling (BrE), football (BrE), gym (esp. AmE), running, soccer (AmE), swim (AmE), swimming
Bermuda, cargo (esp. AmE), khaki, pajama (AmE)
a pair of khaki cargo shorts

denim, jean (AmE)
lycra, spandex
cheer (= cheerleader)

pair

loose
tight
boxer (BrE, AmE), boy (= for women), jockey (AmE)

pair