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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
O'Neal - Sierra II Flat HelmetO'Neal Sierra II Flat Helmet The O'Neal Sierra II Flat Helmet feels like that dependable lid you grab every weekend, light, well vented, and ready for whatever track or trail you throw at it. Balanced shell weight, efficient venting, and a plush liner that keeps its shape moto after moto. Why We Like It: Everything about it feels dialed: airflow, comfort, and control without unnecessary extras. Why Itll Work for You: If you want straightforward
O'Neal - Sierra II Flat Helmet
The O'Neal Sierra II Flat Helmet feels like that dependable lid you grab every weekend, light, well-vented, and ready for whatever track or trail you throw at it.
Balanced shell weight, efficient venting, and a plush liner that keeps its shape moto after moto.
Why We Like It:
Everything about it feels dialed: airflow, comfort, and control without unnecessary extras.
Why It’ll Work for You:
If you want straightforward performance, easy goggle fit, and comfort that holds up, this helmet just works.
Variants / Options:
Available in several colorways and sizes for a dialed-in fit.
Key Features:
Lightweight, balanced shell design
Airflow channels for active cooling
Moisture-wicking comfort liner
Wide goggle port and adjustable peak
Shell in constructed with ABS
Weight: 1590g (± 50g)
Moisture wicking, removable/washable air channeled comfort liner
Vent holes for optimal ventilation
Integrated face shield
Height adjustable helmet shield
Padded Chin Strap with Double-D safety lock
Meets DOT and ECE 22.05 safety standards
Designed for Street, Enduro, Side by Side and Adventure Bike’s
Replacement parts available
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy