cycling shorts

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈcycling shorts noun [plural] especially British English  a pair of short trousers made out of cloth that stretches 弹性运动短裤，自行车运动短裤

Examples from the Corpus

cycling shorts• Then Allan appeared at Gateshead in those black cycling shorts which reached down to just above his knee.

ˈcycling shorts nounChineseSyllable  

short stretches pair of that made trousers out of a Corpus cloth

cycling shorts
ˈcycling shorts noun [plural] especially British English
a pair of short trousers made out of cloth that stretches