Hellberg 21431 Krypton Photochromatic Anti-Fog/Scratch Safety GlassesHellberg Krypton sets a new standard in style, comfort and fit for safety glasses. The full framed design with floating lens in combination with the soft dual material added to temples and nose bridge provides a perfect fit for all users. Available in a vast array of lenses and coatings, there's a choice for everyone.Photochromatic LensAnti-Scratch CoatingAnti-Fog CoatingDual Material TemplesSoft Nose BridgeIdeal for Use in Combination with Hearing Protection Hellberg 21431 Krypton Photochromatic Anti-Fog/Scratch Safety Glasses