Crafted from inherently flame retardant fabric, which means that the flame retardant properties are naturally present in its fibres. These soft trousers allow for easy movement and the knees are reinforced with CORDURA/Kevlar/Protal fabric. They feature many smart pocket solutions designed to meet certification standards. Elasticated braces for enhanced comfort. Pockets subject to excessive wear are reinforced with double thickness to extend their life. Ripstop fabric delivers exceptional tear strength. All C sizes can be lengthened to C-150 sizes. Certified under EN 1149-5, EN 13034 PB (6) EN ISO 20471, Class 2, Together with art. 4089 XS-S obtains class 3 according to EN ISO 20471. EN ISO 11611, Class 1 A1+A2. EN ISO 11612 A1, A2, B1, C1, E1, F1. IEC 61482-2, class 1. ATPV: 11, 9 cal/cm, HAF: 79, 3%, LOI: 29, 6%