typhoon adult dirt bike helmet atv off road orv motocross helmet dot motorcycle red (small) typhoon helmets everything you expect from typhoon helmets. this helmet is loaded with features including: <br> <br> meets department of transportation (dot fmvss218) requirements is dot certified <br> liner is easily removable & machine washable <br> intake vents, channel vents and exhaust vents allow air flow <br> 3 point sun visor for added strength & stylish looks <br> standard chin strap d-ring closure and strap keeper <br> soft and comfortable interior <br> weighs just under 3lbs <br> helmet bag included <br> <br> this is the perfect choice for those looking for a high quality motocross, off-on road, or atv helmet at an affordable price. <br> <br> please measure for size. each manufacturers sizing is different. to measure, gather the circumference of the largest part of your head, usually just above the eyebrows. <br> small: 21 1⁄2” to 22” <br> medium: 22” to 22 1⁄2” <br> large: 22 1⁄2” to 23” <br> xl: 23” to 23 1⁄2” <br> xxl: 23 1⁄2” to 24” <br> head shapes can affect how a helmet fits. the size chart is meant to be a starting point.