MOON Skiing Helmet Autumn Winter Adult and Children Snowboard Skateboard Skiing Equipment Snow Sports Safty Ski HelmetsType: Helmet Sport: Skiing Material: Composites Brand Name: moon Applicable People: Men Style: Portable Model Number: MS 86 Age: >6 Years Season: Winter Head Circumference: S: 52 55CM, M: 55 58CM, L: 58 61CM, XL: 61 64CM Item: Skiing Helmet, Snowboard Helmet Feature: Ultralight,Integrally molded Ceritfication: CE, CPSC Season: Universal Size: S: 52 55CM, M: 55 58CM, L: 58 61CM, XL: 61 64CM Material: PC ABS+EPS Air Vents: 14 Weight: about 370g or 550g