A pair of Nemesis safety glasses with an Amber Lens is good for those that work in hazy overcast conditions because the Amber lens helps to improve clarity and contrast among objects in the User's vision. Nemesis Safety Glasses offer a Sporty, flexible, lightweight design that is very comfortable to wear that your employees will appreciate and have no problem wearing all day. The amber lens is also a big benefit for those working early in the morning or late into the afternoon because they help to improve Visual Acuity. Soft-touch Nemesis Safety Glasses temples for added comfort. Single-lens wraparound Lens protection. Neck cord included with each pair of Nemesis Safety Glasses. 99% UV Protection Meets ANSI Z87.1+ standards.