EN ISO 11612 A1 + A2, B1, C1, E2, F1 and EN ISO Class 1, A1 + A2. Designed to give maximum protection and comfort to the wearer, our Bizweld™ trousers will keep you safe. The garment has a Flexi-Fit waistband; twin stitched seams for extra stength and side pockets with a conveniently placed rule pocket for quick and easy accessibility.