Fashion

Blazers often have naval-style metal buttons to reflect their origin as jackets worn by boating club members.^[1]

 Blazers are often part of a uniform that denotes, for example, an airline's employees, pupils of a particular school,

A blazer's cloth is usually durable, as it is intended as outdoor wear

Boys All in one blue suit dark blue 

 A blazer is generally distinguished from a sport coat as a more formal garment and tailored from solid colour fabrics. 

A blazer is a type of jacket resembling a suit jacket, but cut more casually