Durable ABS Shell: Lightweight yet impact-resistant for effective head protection. Adjustable Suspension System: 6-point ratchet or pinlock fit system accommodates 5066cm head sizes. Accessory-Ready Design: Slotted sides support attachments like earmuffs, face shields, and welding helmets. Chin Strap Included: Ensures secure and stable wear in active or rugged work conditions. Versatile Use: Compatible with clamp-on mini lights and ideal for construction, utility, or maintenance tasks.