We suggest ordering one size up if you are in between sizes, prefer a relaxed fit, or wear under-jersey protection. The Elrod Series is our top-of-the-line, feature-loaded racing gear kit. We've upgraded our latest Elrod Jerseys, Pants and Gloves with lighter materials, slimmer fit, enhanced ventilation and reinforced stitching to ensure superior performance and improved comfort for every race and ride. Want even more breathability? Check out our Air Cooled "A/C" Elrod kits. Features: V-Shaped collar Seamless cuffs Silkscreened art Overlock stitching Vented mesh back panel Vented mesh under sleeve Drop tail hem FastDri materials 96% Polyester/ 4% Spandex