Equi-Lite DFS Helmet by International Riding Helmets (IRH) Sporty, lightweight and economically priced. The Dial Fit System allows a custom fit with just one simple turn of the dial. The dial fit system accommodates your ponytail, hugs the back of your head and reduces the tendency of your helmet to shift forward or backwards when you ride. Plus, you"ll look cool and feel cool; the Equi-Lite DFS features 9 venting ports for maximum air circulation to keep you comfortable. Weighing just 10 ounces, this versatile, fashionable helmet is a must-have. Glossy finish. ASTM F1163-04A/SEI Certified & CE certified to European EN 1384 Standards* * Click on Important Helmet Warning to the right Features: Dial Fit System 9 venting ports Lightweight Glossy finish Item Specifications: Sizes: S (6 1/2 - 6 3/4) M (6 ? - 7 ?) L (7 1/4 - 7 1/2)