Casual brand is a term used to describe clothing that is comfortable and stylish, but not overly formal. The three most popular casual brands are LEES (4 letters), LEE (3 letters) and LEVIS (5 letters). LEES is a brand of denim jeans and other apparel that is known for its quality and durability. LEE is a brand of casual clothing that is known for its classic style and comfort. LEVIS is a brand of denim jeans and other apparel that is known for its iconic style and fit. All three of these brands offer a wide range of styles and fits that make them popular choices for casual wear.