3M Full Brim Hard Hat H-809R-UV, 4-Point Ratchet Suspension, Uvicator, Hi-Vis Yellow 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 Uvicator sensor shows when its time to replace hard hat due to UV exposure