CORE SINCE '54. The Custom 500 is the epitome of a classic 3/4 helmet. With 5 shell sizes, this helmet is sure to give the rider a personalized fit regardless of where you are on the size chart, and is lightweight with a padded chin strap for a comfortable ride. The quilted, contrast-stitched, plush interior is wrapped in a fiberglass composite shell, and features an integrated 5-snap pattern for a variety of shields and visors. Experience the best in category helmets from those who helped invent truly protective helmets.