What is "blazers"

Usage examples of "blazers".

A battalion of linesmen stand blandly alert in their blazers and safari hats, hands folded over their slacks' flies.

To have his picture in shiny magazines, to be a wunderkind, to have guys in blue I/SPN blazers describe his every on-court move and mood in hushed broadcast cliches.

The Moms hangs up stuff like shirts and blazers neater and more wrinkle-free than anyone alive.