Flame Resistant Protection That Won't Wash Out Portwest's SK22 Modaflame sock delivers inherent flame resistance that stays protective wash after wash. Built for workers in oil and gas, petrochemical, and utilities sectors, these socks combine serious protection with genuine all-day comfort. The technical fabric blend provides both flame resistance and anti-static properties where it matters most. Key Features: Inherent Flame Resistance: The Modaflame™ fabric provides permanent flame resistant qualities that won't diminish over time. Certified to EN ISO 14116 for limited flame spread. No washing out, no degradation. Anti-Static Carbon Fibre: 2% carbon fibre content provides electrostatic dissipation meeting EN 1149-3 standards. Protects against static buildup in hazardous environments. Technical Fabric Blend: 50% Modacrylic, 16% Recycled Cotton, 14% Cotton, 18% Polyamide construction balances protection with comfort. Sustainable without compromising safety. Extra Padding Where You Need It: Enhanced cushioning in heel and toe areas reduces fatigue during long shifts. Seamless toe construction eliminates pressure points that cause blisters. Stays Put All Day: 25cm sock height with ribbed leg design provides a snug fit that won't slip down. Knit gauge 10 construction maintains shape retention even after repeated washing. Multi-Norm Layering: Part of Portwest's Flame Resistant Multi-Norm range. Layer with other Modaflame garments to achieve enhanced thermal protection values. Available in navy in two size ranges (39-43 and 44-48), the SK22 is CE marked and meets European safety regulations. Portwest's Modaflame range delivers reliable protection for high-risk industries where fire and static hazards are present. Order your flame resistant work socks today.