The X1 Alpha Helmet is the pinnacle of adventure helmet technology. Advanced KOROYD® + EPS technology for impact absorption and heat management, aerodynamically optimized shell and visor construction, next-gen face shields, and a direct control ventilation system all combine to create unparalleled comfort and protection. Ride protected in the most groundbreaking adventure helmet ever built.FEATURES Carbon fiber hand-laid outer shell Shell construction process reduces imperfections and excess weight KOROYD® + EPS shell construction optimizes impact protection and reduces heat absorption with direct ventilation through KOROYD® structure and EPS channeling KOROYD® structures crush homogeneously for better impact energy absorption Shell, peak visor, ventilation ports, gasketing and liner system optimized for best-in-class aerodynamics and reduction in wind noise and vibration Peak visor engineered for on-the-fly angle changes with tool-free adjustment, removal and reattachment Peak visor and rear spoiler designed to reduced drag, lift, and optimize directional-view control while riding at high speeds Titanium D-ring chin strap closure system Clear & photochromic face shields included Tool-free face shield removal is fast & easy Eye port gasket engineered to reduce vibration, noise and increase resistance to harsh weather conditions Face shield side plate mechanisms engineered to self-calibrate for tight sealing Included PINLOCK® anti-fog lens insert optimized for X1 Alpha maintains optical class 1 clarity, huge FOV Photochromic face shield quickly transitions from dark to light Both face shields have optical Class 1 clarity Both face shields are optically correct, multi-thickness for minimized distortion Both face shields offer HD vision Both face shields have UV400 protection Tinted & Photochromic face shields have infrared shielding for greatly reduced heat buildup Helmet is goggles-compatible 2 adjustable, water-resistant forehead intake vents 1 adjustable upper chin guard direct diffuser vent for face shield 1 adjustable lower chin guard direct vent for cabin interior 4 Exhaust vents 4-ride-mode versatility: ADV, Dual-Sport, Off-Road, Street Channeled EPS + KOROYD® construction for airflow and heat control EPS + KOROYD® layering construction reduces heat transfer from shell Removable and washable moisture-wicking antibacterial premium Brrr° Pro Cooling fabric lined cheek pads and crown liner Interchangeable/replaceable cheek pads and crown liner thicknesses within sizes Premium perforated goat leather trim on chin skirt with elastic gusset for comfortable on/off Chin skirt reduces buffeting Premium perforated goat leather and spacer mesh on neck roll for comfort, reduced buffeting 3 shell sizes for optimal fit (XS-M, L, XL-3XL) 5 EPS sizes for optimal fit (XS-S, M, L, XL, 2X-3X) Recessed ear pockets for comm system speakers ECE/DOT certified