Cannondale Trail Helmet Small/Medium BlackThe Cannondale Trail Helmet is a super lightweight helmet with 16 air vents to keep you cool. The one piece visor helps to keep the sun and debris out of your eyes and the extra rear coverage just in case. There are reflective logos to help increase your visibility after sunset. The adjustment system is really easy to use and can be operated with a single hand. Sizing: Small/Medium: 55-61cm and Large/X-Large: 60-64cm. Available in Grey, Black, White, and Highlight.884603924426