Description: Ventilation Design: This ski helmet features a unique ventilation design with 13 holes, ensuring efficient air circulation to quickly expel hot air, keeping you cool during activitiesRemovable Design: The Snowboard Helmet comes with removable liner and ear pads. They are easy to clean and comfortable to wear without any sense of restraintAdjustable Fit: Equipped with a 360 rotating adjuster, this snowboarding helmet allows for easy adjustment of the head circumference size for a great fitQuality Material and Size: Made from reliable ABS EPS material, this Skateboarding Helmet is designed to withstand impact while providing maximum comfort, lightweight to avoid fatigue from long-term wearVersatility: This ski helmet is suitable for adults and teens. It's ideal for various outdoor winter sports such as skiing, snowboarding, skateboarding, ice skating, snowmobiling, mountain climbing, camping and hiking Specification: Material: ABSEPS Size Chart: Head Circumference: 54 cm-58 cm/21.26 inch-22.83 inch Package Includes: 1Skiing Helmet Note: Please allow slightly errors 1-2cm differences due to manual measurement.