Certified to EN 342:2017 StandardElasticated back providing great ergonomic fitDouble lapped seam & hi-vis seam protection strips for extra strong & durable garment constructionClo Insulation provides great thermal insulation with awesome breathability ensuring a comfortable wearer experienceLarge hand warmer pocketsOpti Coil Zip very durable in cold temperatures - certified to BS3084Fully elasticated shoulder strapsTwo large patch pockets High back provides more protection to vital organs in freezing conditions. WOMENS CLASSIC COLD STORE SALOPETTES WX28S