3M Full Brim Hard Hat H-804V, 4-Point Ratchet Suspension, Vented, Green Impact resistant, ANSI Type I hard hat wears lightweight and comfortable on the head Comfortable suspension sits lower on head to reduce pressure points Smooth, easy turning ratchet suspension is easy to adjust 4-point ratchet suspension with three position height adjustment allows for customized fit Vents allow air circulation to keep worker cooler and more comfortable