100% Aircraft Composite Helmet 2019 Men's Size Extra Small in Calypso/White/Black/Grey

100% Aircraft Composite Helmet 2019The launch of the very first helmet by 100%, the Aircraft, is a great example of the brand's serious stand on technical product innovation for the mountain biking community. The 100% Aircraft Composite Helmet 2019 is a precision-engineered full-face helmet crafted from a fiberglass composite shell for great strength while maintaining a light weight. Enjoy the maximum airflow thanks to 25-air vents and channels. The Aircraft helmet will help cool you down during long days on the mountain. It comes with its own protective helmet carrying bag and is lined with antibacterial materials, pads and straps.FeaturesLightweight design featuring a fiberglass composite shellActive cooling system maximizes airflow with 25 vents and channels. More ventilation than any other helmetWashable, antibacterial comfort liner, cheek pads and chin strap covers for easy maintenance and cleaningEmergency release cheek pads and integrated release system compartment for quick, safe removalSteel D-Ring buckle provides a secure fit while saving weightEngineered with 2 shell sizes and 3 EPS sizes to achieve the perfect fitAdjustable visor with machined light-weight aluminum screwsSizingHow to Measure:With a cloth measuring tape, find your heads circumference just above the ears.Helmet SizeExtra SmallSmallMediumLargeExtra LargeXX LargeHead Circumference20.875"-21.25"53cm-54cm21.625"-22"55cm-56cm22.5"-22.875"57cm-58cm23.25"-23.625"59cm-60cm24-24.3.75"61cm-62cm24.75"-25.25"63cm-64cm | 100% Aircraft Composite Helmet 2019 Men's Size Extra Small in Calypso/White/Black/Grey