Low profile design offers a low center of gravity for better balance. Rear padded suspension adds comfort. Vented pressure pad keeps the straps in place. Air vents at top and rear of hat help circulate air to keep head cool and dry. Vented head protection meets ANSI Z89.1, Type 1, and Class C. Hi-viz colors have been tested for the "HV" mark. Some options meet Canadian CSA Z94.1 - 2015 , Type 1, Class E, G and C standards – SEI third-party certification.