Full brim around entire perimeter of hat shields you from harmful UV rays, glare, moisture and dust--as well as falling debris. Ruggedly constructed from lightweight, shock resistant high-density polyethylene. Includes Six-point suspension in Flex-Gear® ratchet, pillowed brow pad and front and rear vertical height adjustment. Exceeds ANSI/ISEA Z89.1, Type 1, Class E & G requirements.