Neutral, warm, earthy tones, brown is a colour that never truly goes out of fashion. Brown casual shirts are easy to wear whether dressed up with black skinny jeans and black boots or down with blue jeans and white trainers. River Island’s selection of brown casual shirts for men gives you a wide variety of choice to get the perfect style, cut and shade to suit you. Whether you go for slim or muscle fit, Big and Tall, brown casual shirts will give you the edge you need to look and feel like a boss.