noun
sports shirt; sport shirt
A casual shirt originally designed for sports, often with a soft collar and short sleeves. In Japanese, it typically refers to a button-down shirt with a relaxed style, not a T-shirt or jersey.
彼は週末にはいつもスポーツシャツを着ている。
He always wears a sports shirt on weekends.
このスポーツシャツは綿100%で着心地がいい。
This sports shirt is 100% cotton and feels comfortable.