Ultra-light design, faster and lighter skiing, Unicase technology, safer and more perfect Ventilation, using air cooling to make the air free Anatomical design, advanced double-sided fleece protection pad, easy to use, with magic buckle connection Storage Advice: Do not store in a humid environment, near a heat source or in direct sunlight The helmet is dry processed and storage in a helmet bag is recommended. The main materialABSSpecification008For peopleuniversalApplicable sportsskiApplicable sceneice sportssizeCrack black M head circumference 53-58CM, crack black L head circumference 56-61CM, cool black M head circumference 53-58CM, cool black L head circumference 56-61CM, aurora purple M head circumference 53-58CM, aurora purple L Head circumference 56-61CM, super flash green M head circumference 53-58CM, super flash green L head circumference 56-61CM, lotus root pink M head circumference 53-58CM, lotus root pink L head circumference 56-61CM, early snow white M head circumference 53 -58CM, first snow white L head circumference 56-61CM, baby blue M head circumference 53-58CM, baby blue L head circumference 56-61CM, cherry blossom powder M head circumference 53-58CM, cherry blossom powder 56-61CMcolorcrack, red, orange, white, blackmaterialabs+epc