Fly Racing Street Sentinel Helmet Features 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 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 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 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 Optional tinted shields available ECE / D.o.t. approved