Stick with something like pinstripes for a stricter dress code, but play with colorful checks and glen plaids (pictured) if your office is more relaxed. Easy and free shipping and return. The new Midsummer blue glen plaid jacket, featuring a Bpa blazer with dress slacks, dress shirt, and tie. Sport coat dress code . Sturdier and thicker fabrics are commonly used, such as corduroy, suede, denim, leather, and tweed. True casual wear began with the introduction of the sport shirt in the mid 1930’s and “casual” referred to clothes suitable for spectator sportswear. Don’t feel limited as there are varying shades of. The dress code is clear and simple to ensure ease of conformity. These are totally fair game for work. Navy is considered the power color but gray and black are also strong business suits white shirt: A casual dress and flats are options as well. Dress slacks, dress shirt, and tie. A sport coat, also called a sport jacket (sports coat or sports jacket in am...