Express your inner gearhead! Get your hats, shirts, and coolers with the CBM Motorsports™ logo, so your wardrobe will be as powerful as your ride. CBM Motorsports™ injects horsepower into your life style. Gildan is the leading manufacturers of t-shirts. The classic short sleeve t-shirt features include 100% preshrunk premium cotton for added comfort, classic cut for a roomier fit and double needle stitching in sleeves and bottom hem for extra durability.