"Flame retardant, anti-static hi-vis rain trousers, 100% waterproof, Windproof, Supple, Stretchable, Comfortable, Lightweight, noisefree, High frequency welded seams Outside: Legs adjustable by press studs, elasticated waist, Intérieur: Unlined, Fabric: FLEXOTHANE® FR Index 1 AST: 100% FR polyester knitting with FR PU coating + AST; ± 200 g/m².