Technologically advanced Carbon/Aramid fiber shell construction Dual density EPS (Expanded Polystyrene) liner MIPS brain protection system, reduces rotational forces to the brain 20 intake ports and 12 exhaust vents to keep airflow moving throughout the helmet EPP (Expanded Polypropylene) chin bar provides lightweight, durable protection Three shell sizes to accurately fit a variety of head sizes Anatomical 3D contoured cheek pads with emergency release system for EMS responders Removable snap-in, washable comfort liner with CoolMax and DriLex moisture wicking materials Super light Titanium D-rings, save weight and have increased material tensile strength Plastic visor screws and brass inserts provide an easy impact break-away Plush SE4 helmet bag with zippered storage compartment Extra matching replacement visor included