The Centurion Concept helmet with ventilation from MPS Centurion has ports on the top and rear that provide airflow for increased comfort. The helmet meets ANSI Standard Z89.1-2003, Type 1 and Class C standards, weighing about 11.5 ounces. Standard with the Concept helmet is the company’s six-point suspension with two headband options: fine adjustment or ratchet. Accessories include hearing protection, full-face screens, chinstraps and harnesses. A full line of colors, including high visibility orange and yellow, are available. Non-vented Concept helmets meet ANSI Z89.1-2003 and Class E standards.