High-performing, the Ripper Helmet MTB-Helmet from Sweet Protection will accompany you on all your two-wheel adventures. It offers ideal safety, comfort, and style. Additionally, this helmet features multiple vents to keep your head dry at all times. Finally, it will perfectly adapt to your head size with its Occigrip dial system. In short, it's the perfect helmet for venturing out with your mountain bike! Highly ventilated, including STACC ventilation Occigrip dial One size fits all, with extensive adjustment possibilities Head circumference: 53 to 61 cm Weight: 315 g Sweet Protection Ripper Helmet - MTB-Helmet