Blazer
Context
A lightweight jacket, typically solid-colored, often worn as part of a suit or as casual wear
Explanation
A type of jacket resembling a suit jacket, but cut more casually, often used in business casual attire or as part of a smart casual outfit
Applications
He paired his jeans with a blazer for a smart casual look.
Blazers can be dressed up with trousers or down with jeans.
A navy blazer is a classic piece in both men's and women's wardrobes.