O'NEAL Sierra helmet flat black XXL with lightweight design and comfort
O'NEAL Sierra helmet integrated face shield for clear visibility on the move
O'NEAL Sierra helmet vent holes provide cooling during rides
O'NEAL Sierra helmet padded chin strap for secure, comfortable wear
O'NEAL Sierra helmet flat black XXL with lightweight design and comfort
O'NEAL Sierra helmet integrated face shield for clear visibility on the move
O'NEAL Sierra helmet vent holes provide cooling during rides
O'NEAL Sierra helmet padded chin strap for secure, comfortable wear

O'NEAL Sierra Helmet, Flat Black XXL – DOT & ECE 22.05 Certified

Overview The O'NEAL Sierra Helmet in flat black offers a balanced blend of lightweight feel, practical protection,...
Vendor: O'NEAL
Availability: In stock
£218.26
£218.26
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O'NEAL Sierra helmet flat black XXL with lightweight design and comfort

O'NEAL Sierra Helmet, Flat Black XXL – DOT & ECE 22.05 Certified

£218.26
O'NEAL Sierra helmet flat black XXL with lightweight design and comfort
O'NEAL Sierra helmet integrated face shield for clear visibility on the move
O'NEAL Sierra helmet vent holes provide cooling during rides
O'NEAL Sierra helmet padded chin strap for secure, comfortable wear

O'NEAL Sierra Helmet, Flat Black XXL – DOT & ECE 22.05 Certified

£218.26
Description
Description
x

Overview

The O'NEAL Sierra Helmet in flat black offers a balanced blend of lightweight feel, practical protection, and versatile compatibility for street, enduro, side-by-side, and adventure riding. With an ABS shell weighing around 1590 g, it aims to deliver a confident, maneuverable silhouette that suits riders who value comfort alongside dependable construction.

Inside, a moisture-wicking, removable liner with air channels helps manage sweat and maintain a dry, comfortable ride. The design includes an integrated face shield and a height-adjustable visor, allowing you to tailor visibility and shade as conditions change—from bright sun to cool shade on longer journeys.

Comfort and usability

  • Moisture-wicking, removable liner with air channels to help manage humidity
  • Integrated face shield paired with a height-adjustable visor for adaptable visibility
  • Padded chin strap with a secure double-D safety lock for a dependable fit
  • Vent holes promote airflow to reduce heat buildup during rides

Durability, safety, and versatility

  • ABS shell provides a sturdy, durable outer construction
  • DOT and ECE 22.05 certifications indicate broad on-road and off-road applicability
  • Designed for multiple riding styles, including street, enduro, side by side, and adventure bikes
  • Replacement parts available to support long-term maintenance

Whether navigating city streets, carving trails, or tackling mixed-terrain days, the Sierra aims to support comfort and capability across a range of riding scenarios. The approach emphasizes practical features and real-world usability, inviting you to explore the possibilities of a well-rounded helmet without promising guaranteed outcomes.

FAQ

Q: What safety standards does the O'NEAL Sierra Helmet meet?

A: DOT and ECE 22.05 certifications ensure on-road and off-road compatibility.

Q: Which comfort and convenience features are included?

A: Moisture-wicking liner, removable and washable, air channels, and an adjustable shield for flexible riding.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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