4-Point Pinlock Suspension - Hard hat with round front. Has large, pillowed, replaceable cotton brow pads. Easy to adjust vertical height settings, two front and two rear, provide a customized fit which will increase wear time and worker compliance. All vertical height adjustment settings ensure that the hard hat remains centered on the head. Vented design features air circulation, resulting in optimal worker comfort. The low profile shell design of the cap combines a perfect fit.