Personalized Shut Up and Ride Long Sleeve T-Shirt. Shut up and ride! A cyclist races along so fast that flames trail behind the bike. Great gift for biathletes, cyclists, or people who just love to ride a bike for fun! Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL