3M SecureFit X5000 Series Safety Helmets provide workers with a comfortable, secure fit thats ideal for a variety of applications. Climbing helmet-inspired, brimless design with chin strap meets occupational safety requirements while helping the wearer maintain greater situational awareness by delivering an obstruction-free field of vision. Low-sitting suspension system minimizes pressure to the head, while its exclusive, patented Pressure Diffusion Technology allows the system to self-adjust to the wearer as the smooth, easy-turning ratchet is tightened. Multiple levels of height & head-shape adjustments allow the wearer to customize the fit even further. X5000 Series helmets meet ANSI safety compliance standards & are designed to protect the wearers head from small falling objects. All helmets are compatible with a variety of 3M face-shields, earmuffs & additional accessories (all sold separately). VentedAir-circulation vents along the helmet's crown help keep workers cool in warm-weather environments. Hard Hat Style: No-Brim Safety Helmet; Material(s): Acrylonitrile Butadiene Styrene (ABS); Adjusting Method: Pressure Diffusion Ratchet; Suspension: 6-Point.