O'Neal SONUS Helmet SPLIT black/gray S (55/56 cm)

• Shell is produced with high-quality ABS
• Multiple air vents for optimal ventilation and cooling
• Airflaps™ compatible
• Optional available plastic break-away visor screws for improved safety
• O'Neal Fidlock® magnetic buckle (engineered in Germany) for easy, single-handed fastening and release, provides maximum security while riding
• Padded comfort liner, removable, sweat absorbing and washable
• Goggles rest securely in place on ridge at back of shell
• Height adjustable visor
• Meets EN1078 safety standard for bicycle helmets and meets ASTM downhill standard

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