The Slim Line Daytona Helmets Cruiser Motorcycle Helmets are one of the world’s smallest and lightest D.O.T. approved 3/4 shell motorcycle helmets ever made!! With 3 different shell sizes, you’re sure to get that proportionate fit!! This improved slim line design offers a sleek, contoured shell that hugs your head, eliminating the mushroom look! The helmet has a custom formed interior for extreme comfort.