He looks very sporty in that new jacket, which is both stylish and functional.

sporty 是形容词，由名词 sport（运动）加上后缀 -y 构成，-y 后缀常表示"具有...特性的"。sporty 形容某人或某物具有运动风格或气质，通常指外观看起来像运动装备或适合运动的。