sport coat
man's jacket similar in cut to a suit coat, but more relaxed, for informal occasions; often of tweed, check, or other patterned fabric
en-US/ˈspɔɹt ˈkoʊt/
en-GB/ˈspɔːt ˈkəʊt/
man's jacket similar in cut to a suit coat, but more relaxed, for informal occasions; often of tweed, check, or other patterned fabric