blouson
/ˈblaʊzɑn/
noun
- A short, loose-fitting jacket or top that is gathered or elasticized at the waist, often with a puffed appearance.
- The leather blouson was popular among motorcyclists in the 1950s.
- She wore a stylish blouson over her jeans for a casual look.
- He bought a lightweight blouson for the cool summer evenings.