The G Force Side Draft is an affordable, lightweight fresh air helmet for any type of auto racing. The outer shell is made from a low density, lightweight Z38 fiberglass, carbon Kevlar composite blend. The side and front of the helmet is equipped with an air intake nozzle that accepts most forced air hoses The G-FLOW Side Air Intake Ventilation System then drawls air around the heated interior and siphons out the top and rear vents to aid in cooling. The G-78 impact liner is covered by a soft knit, padded CoolTec flame retardant liner for outstanding comfort and fit. Built in reinforced mounting points for the Hans Helmet Restraint Devices make installing your Hans Device a breeze. A SpecFit Channel makes the Side Draft helmet more comfortable when wearing glasses. The Side Draft is available wired with speakers and an ear-bud jack for off road racing communications systems. If your helmet is wired for road racing or oval track racing, please call a representative. Please contact us if you are unsure of the type of wiring you need. If you are an off road racer, the helmets are wired in the standard off road configuration with speakers and ear-bud jack.