












O'Neal - Sonus Split Helmet (MTB)
O'Neal - Sonus Split Helmet (MTB)
The O'Neal Sonus Split Helmet (MTB) 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:
It’s the kind of helmet that feels right from the first ride, supportive, breathable, and dependable.
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
The shell is constructed from ABS
Multiple vents for optimal ventilation and cooling
Matte finish
Long-lasting, multi-color graphics
Ultra-plush removable, sweat-absorbing and washable padded inner lining
Secure eyeglass strap guidance thanks to the pre-formed shell design
Optionally available break-away visor screws made of plastic for more security
Height-adjustable visor
Exceeds CPSC and EN1078 safety standard for bicycle helmets
Original: $89.99
-70%$89.99
$27.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
O'Neal - Sonus Split Helmet (MTB)
The O'Neal Sonus Split Helmet (MTB) 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:
It’s the kind of helmet that feels right from the first ride, supportive, breathable, and dependable.
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
The shell is constructed from ABS
Multiple vents for optimal ventilation and cooling
Matte finish
Long-lasting, multi-color graphics
Ultra-plush removable, sweat-absorbing and washable padded inner lining
Secure eyeglass strap guidance thanks to the pre-formed shell design
Optionally available break-away visor screws made of plastic for more security
Height-adjustable visor
Exceeds CPSC and EN1078 safety standard for bicycle helmets























