3M™ H-800 Series Full Brim Hard Hat with Ratchet System is comfortable, tough and lightweight protective headgear that helps protect the head from small falling objects and fixed objects that may be bumped into. The 4-point suspension system has unique features that allows for a customized height and fit that best suits the individual needs of the wearer, allowing for simple adjustments. A 3-level height adjustment allows workers to customize the fit.