Sport Coat Vs Blazer Definition. The landlubberly sport coat [above, center], meanwhile, originally derived from the tweedy, robust coats worn while assisting in the untimely end of feathered or furry creatures. Remember a casual jacket that isn't navy blue and doesn't have buttons could be a sport coat or a blazer.
Sturdier and thicker fabrics are commonly used, such as corduroy, suede, denim, leather, and tweed. Its pockets usually have flaps and there may be, as of late, a small ticket pocket situated above the normal. Suit and sport coat sizes have one number and one letter (for example, 38s, 40r, 42l).
It is a formal suit.
But a blazer traditionally indicates a navy jacket, usually with patch pockets (and possibly a patch on the chest denoting a yacht club) fastened with metal buttons. A sport coat, historically, was more of a rustic, hunting jacket. A blazer is a type of jacket resembling a suit jacket, but cut more casually.a blazer is generally distinguished from a sport coat as a more formal garment and tailored from solid colour fabrics. But in a full suit it becomes a really sharp summer suit, i think of it like a summer tweed.