3M Full Brim Hard Hat H-801V-UV, 4-Point Ratchet Suspension, Vented and Uvicator, White Impact resistant, ANSI Type I hard hat wears lightweight and comfortable on the head Comfortable suspension sits lower on head to reduce pressure points 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 Vents allow air circulation to keep worker cooler and more comfortable