True Carbon Fiber Hard Hat ：This GREEN DEVIL full brim hardhat made from solid 3K carbon fiber materials ，Lightweight, sturdy, provides adequate protection while reducing therestraint on the wearer.Even if you use it for a long period of time, it won't be too much of a burden on your cervical spine. ANSI Certified: These full brim hard hats for men women provides excellent head protection as it is ANSI/ISEA Z89.1 type 1 Class C certified .Engineered for maximum reliability & performance，GREEN DEVIL construction hard hat helmets always prioritize the safety of workers and avoid potential damage such as falling debris. Superior Comfort&Fit：Features a 4-Point suspension and removable, washable padded sweatband and top pad，designed to enhance comfort and fit.Oversized ratcheting fitment dial to adjust size, easy to grip and use with gloves on.Accommodates head sizes from 21.25-24.80 inches(54-63cm) Thoughtful Addition：Each hard hat comes with a customized anti-slip full brim guard strip, which is stylish while protecting against brim collisions .Edge grip, unique design make it safer and more convenient for workers .The hard hat package also includes a portable drawstring bag for easy carrying and a cooling helmet liner that reducing perspiration in hot and humid environments , drys quickly,making you feel comfortable,also keep your head cooling under helmets. Applications：This Carbon Fiber full brim hard hat intended for general industrial use, such as in steel mills, welding, construction, safety and rescue, open-pit mining, oil/gas/petrochemical refineries, and more. If you have any questions about our carbon fiber hard hats, we will answer you at the first time and give you the most satisfactory results. ...