The Rider jumper is knitted from a luxurious wool-cashmere blend and features McLaren Formula 1 Team embroidered patches. Oscar Piastri’s racing number, 81, is jacquard-woven on the back, while striped sleeves complete the cropped design. Wool-cashmere blend. McLaren F1 Team embroidery. Jacquard 81 number to reverse. Crew neckline. Striped sleeves. Cropped length. Presenting the Reiss | McLaren Formula 1 Team Collection Season 02, our exclusive collaboration with the McLaren Formula 1 Team.