The Giro Fixture II helmet is a must-have for all MTB enthusiasts. Whether you are a beginner or an experienced rider, this helmet offers optimal comfort and maximum protection during your mountain rides. With its polycarbonate construction, it is lightweight and durable to accompany you on all terrains. Its Roc Loc Sport adjustment system ensures a perfectly tailored fit to your head for optimal stability. The 18 vents provide maximum ventilation for prolonged wearing comfort. Polycarbonate shell Roc Loc Sport adjustment system 18 vents for maximum ventilation Compatible with Giro visor Weight: 290 g Giro Fixture II - MTB-Helmet | Hardloop