Troxel Liberty Duratec helmet BlackDial Fit System offers a personalized fit for maximum safety and comfortMesh vents for enhanced breathabilityLow profile design to reduce bulk and dragAvailable in three sizes: small (6 5/8 - 7), medium (7 - 7 1/4), and large (7 1/4 - 7 3/8)ASTM/SEI-certified for additional peace of mindAnimal print headliners and selection of stylish Matte Duratec colors04-231 The Troxel Helmets Duratec is perfect for riders looking for a secure and comfortable fit. The Dial Fit System offers a personalized fit that ensures maximum safety and comfort. Additionally, the helmet features mesh vents for enhanced breathability, and a low profile design to reduce bulk and drag. It is available in three sizes, small (6 5/8 - 7), medium (7 - 7 1/4), and large (7 1/4 - 7 3/8). For additional peace of mind, this helmet is ASTM/SEI-certified. In addition, the helmet is decked in animal print headliners and a selection of stylish Matte Duratec colors, allowing riders to stay safe and look great at the same time.