Fly Racing Street Revolt Solid Helmet Save additional $5 - Use Discount code save5 at Checkout. With a polycarbonate shell construction, the Fly Racing Street Revolt Helmet is both durable and lightweight and has several premium features found on much more expensive helmets. The shell has adjustable vents, which allow for any needed immediate airflow and let you control the flow. Features: SNELL 2015 / D.O.T. approved Hi Flow Adjustable Ventilation System 4 adjustable intake vents. 4 passive intake vents. 6 exhaust vents. Removable air guide – helps direct airflow upwards across the shield for fog free vision INCLUDED 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. 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 BONUS tinted shield with Anti fog coating and durable hard coating for scratch resistance. 100% UVA/B protection up to 400 nanometers. Soft fleece helmet bag Weight = 3.96 lbs Shape - Long Oval [TABS] Similar Options Fly Racing Revolt Helmets Snell Approved Helmets Full Face Helmets Fly Racing Street Helmets Size Chart Size Head Measurement - IN Head Measurement - CM XSmall 20.5-21.25 (IN) 53 - 54 CM Small 21.25-22 (IN) 55 - 56 CM Medium 22-23 (IN) 57 - 58 CM Large 23-23.75 (IN) 59 - 60 CM XLarge 24-24.5 (IN) 61 - 62 CM 2XLarge 24.5-25.25 (IN) 63 - 64 CM 3XLarge 25.5-26 (IN) 65 - 66 CM 4XLarge 26.5-26.75 (IN) 67 - 68 CM 5XLarge 27.25-27.75 (IN) 69 - 70 CM [/TABS]