You're going to LOVE the fit. Try it on and experience our perfect fit. If you don't love it, send it back in new and unused condition within 30 days for an exchange or full refund*. Risk free.
new
Matte Finish
Free US Shipping
We offer Free Shipping on all orders over $99 within the US.
Easy Returns
We have a very easy 30-day Return Policy! Please submit a Customer Support Ticket to get a return Authorization so we can process your return or exchange.
Warranty
We stand behind our products - the 509 industry leading warranty covers every product we make in a variety of ways.
100% Secure Checkout
At 509 we use the best SSL certificate and the most trusted payment processors provided by Shopify Payments so you will be able to buy safely and securely.
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High quality thermoplastic shell.
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Multi-channel ventilation system for maximum air flow.
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Optically superior wide field of view with 95% UV protected & fog-resistant shield.
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Padded chin strap with D-ring closure.
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High quality thermoplastic shell.
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Multi-channel ventilation system for maximum air flow.
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Optically superior wide field of view with 95% UV protected & fog-resistant shield.
-
Padded chin strap with D-ring closure.
Aerodynamic, comfortable, and breathable, the 509 Sullivan Helmet is ready to pack on the miles, no matter your riding experience. This DOT-compliant helmet has a wide field of view, comes in a range of sizes, and has been made with a durable, high-quality thermoplastic shell. Our multi-channel ventilation system allows for maximum air flow while a classic padded chin strap with a D-ring closure keeps it secure.
Size Guide
Not sure about your size? Try on at your local dealer!
*Street Helmets are a tighter fit due to cheekpad compression, however, they do pack out over time/use. Size up for a less compressed fit.
Scroll to the right to see more sizes
| Size | US Hat Size | Inches | Centimeters |
|
X-Small
|
6 5/8 - 6 3/4 |
20 7/8 - 21 1/8 |
53 - 54 |
|
Small
|
6 7/8 - 7 |
21 5/8 - 21 7/8 |
55 - 56 |
|
Medium
|
7 1/8 - 7 1/4 |
22 1/2 - 22 5/8 |
57 - 58 |
|
Large
|
7 3/8 - 7 1/2 |
23 1/4 - 23 1/2 |
59 - 60 |
|
X-Large
|
7 5/8 - 7 3/4 |
24 - 24 1/4 |
61 - 62 |
|
2X-Large
|
8 |
24 3/4 - 25 |
63 - 64 |
|
3X-Large
|
8 3/4 |
25 1/4 - 25 3/4 |
64 - 65 |
|
4X-Large |
9 |
26 - 26 1/4 |
66 - 67 |
|
Youth Small |
6 |
18 1/8 - 18 7/8 |
47 - 48 |
|
Youth Medium |
6 1/8 - 6 1/4 |
19 1/4 - 19 5/8 |
49 - 50 |
|
Youth Large |
6 3/8 - 6 1/2 |
20 - 20 1/2 |
51 - 52 |