Pyrotect MIDAIR RACE Helmet Wired OFFROAD, SA2020 rated, is specifically designed for off-road, circle track, or kart racing. It has a distinct mid-air inlet location for improved airflow and enhanced safety headroom. The mid-air inlet provides clear communication by not pushing air into the front-facing microphone. Pairing with MAC3.2 Air Pumper System upgrades the fresh air experience. Engineered with an Alpha Audio Helmet Kit, the interior has a dedicated mic enclosure and vented ear pockets for optimal audio performance. Pyrotect's SA2020 MIDAIR helmets have a unique six-pad interior system allowing perfect fit and corrugated ridges for better heat transfer. Vacuumed bagged and autoclave cured for strength and durability while maintaining lightness. Wired with Rugged Radios Alpha Audio Hemet Kit, a Composite Tri Weave Vacuum bagged & autoclave cured shell, Stainless Steel hardware, .125 Polycarbonate shield, and fire-retardant Nomex interior. Compatible with Racing Optics or Ultra Shield tear offs with a large eye port for greater visibility. It is available in Small, Medium, Large, X-Large and XX-Large sizes.