3m comfort line safety spectacles greyamber 3m de272933123 the 3m 2846 comfort line safety spectacles orange lens has a new unique style that has been designed with user comfort and convenience in mind they feature an integrated browguard for increased protection incorporating a strong polycarbonate lens with anti scratch and anti fog coating ideal for using in the fields of light duty maintenancerepair engineering general assembly construction and quality control surface inspecti