Motocross Fantasy-Fall is in full swing as Marc by Marc Jacobs updates its web store. Model Louis Mayhew is along for the ride, posing for photos against a woodgrain background. A casual, sporty vision, Louis is the ideal match for a youthful wardrobe of fall must-haves. From graphic t-shirts and treated skinny jeans to pullovers and oversized flannel, Marc by Marc Jacobs delivers an inspired outing for the style aficionado, who aims to get in touch with their inner BMX athlete.