The fabric composition of the flame retardant protective clothing is 60% Modacrylic 38% cotton 2% Anti-static, weight 250gsm, with powerful flame retardant function, but also has Anti-static function. Flame resistant coveralls comes in two colors: Dark Blue and yellow, depending on your preferences and Working Environment. Size Range: 38-60 Composition: 60% Modacrylic 38% cottton 2% Anti-static 250gsm Weight: 250g/m2 Standard: Oekotex certificate EN11611, EN11612ï¼?EN1149,IEC 61482-1-2 class 1,EN20471 CLASS 1 Color: Navyï¼?HV yelow 5# YKK nylon zipper/ FR Velcro on the front and cuffs 2 chest pockets with YKK nylon zippers, right arm pocket with YKK nylon zipper Adjustable waist with elastic on wasit Aramid thread 2 Side pockets Loxy tape with FR on shoulders and legs YKK nylon zipper on legs