Helly Hansen Fyre Construction Trousers Class 2 Pronto Direct Helly Hansen Alna 4X Hi Vis 4 Way Stretch Construction Trousers Class 2 Alna 4x Hi Vis Construction Trousers Class 2 HH Workwear Helly Hansen 76483 Oban 100% Cotton Flame Retardant Pant Red, Orange Helly Hansen Alna 4X Hi Vis 4 Way Stretch Construction Trousers Class 2. ABERDEEN FLAME RETARDANT INSULATED CONSTRUCTION PANT CL 2 No.?? 71484 As part of our multinorm and flame retardant collection the Aberdeen Insulated Construction Pant will ensure you stay safe and warm against whatever challenges you face at work. FEATURES EN ISO 20471 Class 2 EN ISO 11612 A1B1C1F1 EN 1149 5 EN IEC 61482 2 Class 2 (7kA) EN 343: 2003+A1: 2007 Class 3,1 EN 342 0,304 m2 K W Air permeability Class 3