Discover the men's long sleeve casual shirts collection. Elevate your smart casual attire with suave long-sleeve shirts in an array of signature silhouettes. Choose from classic, tailored or slim-fit shirts with rich cotton and linen constructions. Browse effortless colourways that can be easily paired with jeans or chinos with blue, white and black hues. Add a decadent designer touch with styles from high-end brands Boss and Ted Baker. Wear your casual long-sleeve shirt for drinks out or low-key events for suave styling. Shop the men's long sleeve casual shirts range.