Ergonomic safety glasses with large field of view, outstanding fit, close fitting, perfect colour perception appropriate to uvex sun protection filters, uvex duo-flex earpiece with fine adjustment of the earpiece and four-stage earpiece length adjustment, integrated pull-out guard on the earpiece end, replaceable polycarbonate lenses, minimised burn-in by welding sparks, new filter technology, UV and IR protection, PC grey, UV 400. Class 5.