Description: In motion air is forced through multiple air intake vents, then passed through aligned vent channels in the EPS and exits out multiple rear exhaust vents, keeping you cool and comfortable Features: Durable polycarbonate-alloy shell Multi Density EPS foam liner for a more progressive response to impact energy TFV True Functional Ventilation Removable and washable liner and cheek pads Padded chin strap with a D-ring closure Vents also allow for easy water drainage when used for Jet Skiing and Watercraft use Replacement parts and accessories available CPSC1203; CE EZZN1078:2012 + A1:2012; ASTM F1952-15 73-3602XS