LongTerm Performance: Constructed with quality ABS and expanded polystyrene, this ski helmet provides reliable shock protection with a sturdy, wearresistant build designed for durability against falls or collisions. Stay Cozy on The Slopes: The pladded earmuffs and internal anticollision pads deliver warmth and comfort, helping you stay secure and comfortable while skiing. Prevent Sweating and Stay Cool: A dynamic streamlined design with an 8hole ventilation system minimizes heat buildup, promoting a cooler, more comfortable ride. Adjustable Comfort Support: An adjustable design with a head circumference adjustment button makes it easy to wear, enhancing comfort and safety to fit different head sizes. Key specifications and features: Outer shell: ABS Liner: Expanded polystyrene (EPS) Earmuffs: Pladded earmuffs Internal protection: Anticollision pads Ventilation: 8hole ventilation system Fit system: Head circumference adjustment button for adjustable sizing Size and compatibility: Adjustable to accommodate different head sizes through the circumference adjustment mechanism Designed for compatibility with typical ski gear and onslope use Specific use scenarios: Onpiste skiing in cold or variable weather, where warmth, protection, and ventilation are needed Training sessions or park runs, where durable construction and secure fit matter for frequent impacts Shared use among family or multiple users due to adjustable sizing, ensuring a comfortable fit for different head sizes