S-M7 CAST HELMET

ALPINESTARS HELMET SIZING CHART

• Engineered for offroad racing
  
• Optimized to offer the perfect blend of superior ventilation and comfort in a lightweight helmet
• Aerodynamic profile design offers a smooth, streamlined shell free of any external channels and features that might act as a load point in an impact or compromise the overall integrity of the helmet’s construction
• Shell’s curvature promotes reduced friction on impact
• Ultra-ventilated helmet with 20 individual intake and  exhaust ports, not including the eye port, with 13 intakes and 7 exhausts, for optimum ventilation
• The visor is engineered to automatically detach from the shell when it is subjected to an impact energy greater than 15 Joules for optimum impact protection, regardless of the direction
• The visor Detaching System features Alpinestars proprietary release mechanism to avoid the inherent weaknesses in other anchoring systems
• Alpinestars Plasma technology is strategically-integrated into the side pads for high performance shock absorption in a critical area, significantly reducing the risk of injuries
• Linings are removable and washable by hand
• Integrated channels on both sides to accommodate a hydration system
• Communication system compatible
• The following standards apply to this product: tested and certified to DOT and ECE 22.06