Oneal Sierra Flat V.23 Full Face Helmet Black L

Oneal Sierra Flat 2023 Motocross Helmet, black, size L

Oneal Sierra Flat V.23 Full Face Helmet Black L

Overall Rating: 4.3 / 5 (average from multiple review sources, as of 25 Dec 2025)
Based on a total of 7,527 customer reviews from independent review platforms.

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£133.49
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Oneal SIERRA FLAT MX-Helm matt schwarz L

Overall Rating: 4.6 / 5 (average from multiple review sources, as of 27 Dec 2025)
Based on a total of 19,138 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
16.01.2026
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£137.95
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Product information

At a glance

  • Durable motorcycle helmet with ABS shell construction.
  • Superior fit ensured by double-D safety lock.
  • Enhanced comfort via integrated ventilation system.

Note: This text was created with the help of AI.

Who Should Wear the O'Neal Sierra Flat V.23 Black?

Are you an adrenaline junkie always on the prowl for the next thrill on your two-wheeler? Or perhaps a leisure rider who values safety as much as the freedom of the open road? The O'Neal Sierra Flat V.23 Black is a perfect fit when it comes to Motorcycle Helmets. Not only is it a beacon of style, but it also serves as a strong shield between you and potential hazards.

Why the O'Neal Sierra Flat V.23 Black Shines in Functionality

From its unique design to the robust build, the O'Neal Sierra Flat V.23 Black merges functionality and style in a seamless way. Here are some of its key features:

  • Its shell is constructed from ABS, guaranteeing long-lasting durability.
  • The helmet includes a double-D safety lock, ensuring a secure fit while in use.
  • The advanced integrated ventilation system provides a fresh, cool feel, enhancing comfort during long rides.

What Makes the O'Neal Sierra Flat V.23 Black Visually Appealing?

With the O'Neal Sierra Flat V.23 Black, you're not just investing in safety, but also in a fashion statement. Its matte black finish gives it a sleek, sophisticated look that never goes out of style. The aerodynamic design not only serves a functional purpose but adds to the overall visual allure of the helmet. In addition, the well-designed visor blends seamlessly with the helmet's overall aesthetic, making you stand out in any crowd.

More Reasons to Choose the O'Neal Sierra Flat V.23 Black

Still not convinced? This helmet goes beyond the standard:

  • The integrated sun visor can be adjusted in three different positions, allowing for optimum vision in varying light conditions.
  • The lining, cheek pads, and strips are all removable and washable - a vital feature for maintaining hygiene and comfort.
  • Its compatibility with eyeglasses assures that clear vision is always maintained, even for spectacle wearers.
So, gear up and get ready to conquer the roads with the O'Neal Sierra Flat V.23 Black!

Note: This text was created with the help of AI.

Pros and cons

Pros

  • ABS shell for durability
  • Double-D safety lock
  • Advanced ventilation system
  • Adjustable integrated sun visor

Cons

  • Not suitable for non-glasses wearers
  • Hygiene maintenance requires regular washing

Note: This text was created with the help of AI.

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Oneal Sierra Flat V.23 Full Face Helmet Black L

Cheapest offer

Features:- Durable Outer Shell Is Constructed With Abs- Optimized Air Circulation Through Various Vents And Internal Ventilation Channels- Ultra-Plush Removable, Sweat Absorbing And Washable Padded Inner Liner- Secure Fit Thanks To The Microlock Chin Strap Closure- Anti-fog® 30 Fog Resistant Insert Lens Included (Not Mounted)- Perfect All-Weather Vision With Clear Visor Plus Secondary Integrated Sun Visor- Bluetooth-Ready With Pre-Formed Cutouts For Optional Speakers In The Ear Area (Bluetooth Device Not Included)- Meets Dot And Ece 22.06 Safety Standards (Depending On Market)- Please Note: The Helmet Is Slightly Smaller Than Its Ece 22.05 PredecessorSpecifications:- Material: Shell: 74% Abs, 26% Eps, Visor 100% Polycarbonate, Padding: 100% Pu Foam, Liner: 85% Polyester, 15 % Spandex- Weight: 1590g (±50g)
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