3M2720 Classic Clear Safety Spectacles -  - Excellent impact resistance. - Optical class 1 for high optical clarity.- Polycarbonate lens provides reliable protection against specified levels of hazardous UV radiation.- Anti-Scratch coating for increased durability and improved vision.- Anti-Fog coating to help reduce lens fogging, particularly during physical work or when wearing half masks.- Extremely light-weight and comfortable.- Sporty and modern design.- Slim nose bridge and flat temples for improved compatibility. Ideal for combination with 9300 series respirators*.- Choice of clear / smoke / yellow lenses for suitability in a wider range of working environments.- Ideal for use in many environments including agriculture, assembly work, automotive & bodyshops, construction, DIY, grinding, laboratories, light engineering, turning and woodworking.* Tests show that the above combinations are suitable for many wearers. However, compatibility with other personal protective equipment is subject to a number of variable and the user must make an appropriate selection depending on individual requirements.