For lightweight eye protection designed for comfort and performance, use 3M SecureFit Safety Glasses 400X Series. Our safety glasses weigh just 22 g and have a contemporary, stylish look. 3M Pressure Diffusion Temple Technology offers a comfortable fit, with wide, flexible temple arms over the ears that provide solid side protection and padding for increased comfort. The soft nose bridge and contoured brow guard rest comfortably against the forehead to help provide additional protection from flying particles, and the wraparound design gives the user a wide field of vision as well as reducing slippage from head movements. These glasses combine well with ear muffs.For lightweight eye protection designed for comfort and performance, use 3M SecureFit Safety Glasses 400X Series. Our safety glasses weigh just 22 g and have a contemporary, stylish look. 3M Pressure Diffusion Temple Technology offers a comfortable fit, with wide, flexible temple arms over the ears that provide solid side protection and padding for increased comfort. The soft nose bridge and contoured brow guard rest comfortably against the forehead to help provide additional protection from flying particles, and the wraparound design gives the user a wide field of vision as well as reducing slippage from head movements. These glasses combine well with ear muffs.