En ISO 14116 Certified Fr Merino Wool Socks, Fire Resistant Workwear Socks

En ISO 14116 Certified Fr Merino Wool Socks, Fire Resistant Workwear Socks. EN ISO 14116 Certified: Compliant with EN ISO 14116 for limited flame spread protection. Inherent FR Protection: 38% FR fibers woven into yarn matrix ensure permanent fire resistance that never washes out. Merino Wool Comfort: 42% premium Merino wool provides softness, thermal regulation, and odor resistance. Anti-Static Performance: 2% Carbon Fibre woven into fabric safely dissipates electrostatic charges. Heavy-Duty Cushioning: Full-cushion footbed designed for steel-toe boots to absorb shocks and reduce fatigue. Customizable Design: Custom logo, size, color, and yarn blend ratios available for OEM/ODM services. High Production Capacity: Monthly output of 600,000 pairs ensures timely bulk order fulfillment. Flexible Sample Service: Ready samples available in 4 days; custom samples in 2 weeks with charge deduction.