Thor Sector 2 Combat HelmetUnleash unparalleled comfort and protection with the Thor Sector 2 helmet. Equipped with a dual-density EPS liner Expanded polystyrene (EPS) is a rigid, energy absorbing foam. In the helmet industry, EPS is the most common means of energy management to protect the brain. Generic EPS is often referred to as Styrofoam (a trademarked name owned by the Dow Chemical Company). Premium helmet producers utilize multi-density EPS liners to balance comfort, safety and performance. and extensive intake and exhaust ventilation, it ensures optimal airflow. The injection-molded polycarbonate/ABS shell guarantees durability, complemented by a removable/washable moisture-wicking comfort liner and a hi-flow mouth vent with a filter.Features: Dual density EPS liner features extensive intake and exhaust ventilation Injection molded polycarbonate/ABS shell Removable/washable moisture wicking comfort liner Hi-flow mouth vent with filter for air intake Flexible rubber nose piece Fully adjustable vented visor to reduce lift Rear shell shape easily repositions the goggle strap