A detailed description

THE O'NEAL SONUS – YOUR MOUNTAIN BIKE HELMET MADE FOR ACTION ON EVERY TERRAIN
Are you in the market for an MTB helmet that supports you on any terrain while offering a maximum of safety, comfort, and function? Look no further than the O'NEAL SONUS. As one of the leading MTB experts O'NEAL supplies professional gear to athletes all over the world.
Get on the bike and focus on the ride – your O’NEAL MTB helmet will keep you safe and comfortable. With optimal ventilation & other strong functions, the SONUS offers perfect support in every situation:
• Shell constructed from sturdy ABS
• O’NEAL Fidlock® magnetic closure
• Ultra-plush removable lining & more
Gear up and get on your bike – with the SONUS from O’NEAL.

50 Years Faster – Choose O’NEAL and rely on a true mountain bike professional

O’NEAL has been your partner for MTB equipment for more than 50 years, providing high-quality engineering and technical innovation as well as uncompromising safety. The SONUS is your strong companion on the bike.