Trending Oversized Blazer Outfit Casual - A white shirt, a camel blazer, a grey mini and white sneakers for a casual work outfit an airy white lace dress, an oversized checked blazer, red trainers and a red bag To wear a blazer casually, start by choosing a relaxed style. Oversized Blazer Outfit Casual - Oversized blazers are one of my favorite ways to instantly make my outfit look a little cooler!