Pyrotect ProSport Side Air Helmet Wired OFFROAD features an Alpha Audio Helmet Kit for clear audio communication, making it a wired choice for offroad. Engineered for safety and comfort, the SA2020 helmet has a resizing interior system for a perfect fitting and an improved headliner for better heat transfer. Its interior venting forced air channels and added venting ports enhance cooling. The duckbill design aids aerodynamics, reduces neck strain, and enhances downforce in the front. The vacuum-bagged and autoclaved helmets promise superior strength, durability and lightness. ProSport's additional features include a composite tri weave, stainless steel hardware, Kevlar chinstrap, interchangeable headliner, cheek pad system, front and rear top venting, .125″ Polycarbonate shield with tear off post, eyesport seal compatibility with Racing Optics or Ultra Shield tear offs, large eye port, M6 inserts for head-neck restraint, and a fire retardant Nomex interior. Helmet sizes range from small to XX-large. The helmet is Snell SA2020 rated.