noun
nylon track pants (street fashion)
Slang term for nylon track pants worn as street fashion, often associated with the rustling sound they make. Also abbreviated as シャカパン.
See also: シャカパン
あの子、今日もシャカシャカパンツ履いてるね。
That kid is wearing nylon track pants again today.
90年代にシャカシャカパンツが流行った。
Nylon track pants were trendy in the 90s.