Sentinel Solid Color Helmets STANDARD: Meets and exceeds ECE/DOT approval CONSTRUCTION: Durable and lightweight polycarbonate blend shell. Dual density EPS liner ? two layers of EPS, one softer one slightly harder, combine to provide a more progressive impact absorption for different levels of impact. 2 shell sizes VISION: Optically superior clear face shield with anti-fog coating and durable hard coating for scratch resistance. Tinted drop down inner sun shield. 100% UVA/B protection up to 400 nanometers. Shield lock provides piece of mind, shield will remain closed in all conditions. Easy shield changes ? quick, secure and tool ? less removal and installation COMFORT / LINER: Qwick - Dry comfort liner and cheeks pads. Hydrophilic liner absorbs sweat and is perforated to provide plenty of ventilation. Removable and washable interior. Removable chin curtain VENTILATION: High-Flow ventilation system. 6 adjustable intake vents. 5 exhaust vents. Removable air guide ? helps direct airflow upwards across the shield for fog free vision INCLUDED: Soft fleece helmet bag ACCESSORIES: Optional tinted shields available