This high-performance snow helmet features the latest impact protection and a lightweight, low-profile design that keeps your focus on the path ahead of you.What it does: The helmet is designed with in-mold construction that fuses the exterior shell and EPS foam for one piece that's lightweight and durable. This version also features Multi Directional Impact Protection System, or MIPS, which uses slip-plane technology inside the helmet to reduce rotational forces that can occur in certain impact situations. Adjustable vents allow you to adjust airflow for comfort in all weather. Additional features: An adjustable dial fit allows you to fine-tune the feel of the helmet while on the go. AirEvac ventilation drives warm air away from your goggles and out of the helmet through internal channels and vents. Removable Snapfit SL2 ear pads add warmth and are audio-chip compatible. Sixteen vents provide ultimate breathablility while an Ionic+® antimicrobial lining offers sweat-activated odor control.Safety features: Zonal KOROYD® coverage provides lightweight, energy-absorbing and ventilated impact protection. MIPS Brain Protection System reduces rotational forces casued by angled impacts to the head.Compatibility: Compatible with Aleck™ audio systems. Designed for ultimate integration with Smith goggles for maximum comfort and venting (sold separately). Complies with ASTM F 2040 and/or CE EN 1077:2007 Class B alpine ski and snowboard helmet safety standards EPS foam/polycarbonate Imported