The S-Works Prevail is the ultimate lightweight racing helmet combining great ventilation aerodynamic design & ultra-light construction for the best all-around performance. Updated for MY15 with a new high-performance pad design.> Patent-pending Dual-Density EPS optimises impact performance> Patented Aramid-reinforced Inner Matrix for ultra-light construction & energy management> Mega Mouthport optimises cooling & sweat evaporation> High-performance pad design for increased comfort & sweat management> 4th Dimension Cooling System w/ deep internal channels large vents aligned exhaust ports> Ultra-light Mindset micro-dial fit system with height adjustability for perfect fit> Tri-Fix web splitter for enhanced comfort & ease of strap adjustments> Thin soft & lightweight 4X Dry Lite webbing wont stretch out with sweat or water> Instrap webbing system for ultra-light construction & security> Complies with one or more following safety standards: CPSC SNELL B90A CE & AS/NZS