These helmets are made of a high impact and penetration resistant ABS outer shell. Four positioning hooks for easily mounting a headlamp with an elastic headband and keeping it securely in place An upgraded shock-absorbing 6-point ratchet suspension system helps the helmet fit more securely, keeping the head centered for balance and added comfort. Six-point webbing suspension system conforms to the shape of head for improved comfort and greater impact protection ANSI Certified Hard Hat PPE By JORESTECH - ABS Work-at-Height And Rescue Hard Hat Slotted Ventilated Helmet W/Adjustable Ratchet 6-Point Suspension ANSI Z89.1-14 (Orange Hard Hat With Chin Strap Designed for safety and user comfort, JORESTECH Hard Hats /Helmets are built with modern materials that are strong and lightweight. Their contemporary design makes available to the user a wide variety of adjustments and fit options, some of which may be operated without having to remove the helmet. Recommended with the JORESTECH Retractable Eye Shield. Helmet use is often the best safeguard to protect the head and may be a mandatory requirement by OSHA (Occupational Safety and Health Administration), which requires employers to provide workers with head protection when conditions require. Upon impact, the suspension system keeps the shell away from the worker’s head, dissipating the force of impact by spreading it over a large area. Ppe Por Jorestech - Casco De Trabajo Abs De Altura Y Rescate Ventilation holes open or close with adjustable sliding shutters for increased air circulation when needed An upgraded shock-absorbing 6-point ratchet suspension system helps the helmet fit more securely, keeping the head centered for balance and added comfort. Upon impact, the suspension system keeps the shell away from the worker's head, dissipating the force of impact by spreading it over a large area