Jackson Safety Calico Safety Eyewear V50 (36692), Half Shade Anti-Fog Lens with Interchangeable Temples and Head Strap 12 Jackson Safety Calico Safety Eyewear/ Case; Half Shade Anti-Fog Lenses (shade halfway between clear and smoke tint for outdoor use) Jackson Safety Calico Safety Eyewear features interchangeable head strap and temples, so that you can customize the eyewear for a closer fit or enhanced comfort These safety goggles have EN166 N anti fog coating and fog shield, as well as a cushioned brow bar for additional comfort and ventilation Offer EN166 7.3.1 resistance to surface damage by fine particles and have the "K" mark for superior anti-scratch performance The wrap around design and impact resistant lenses make these safety goggles ideal for use in dirty manufacturing, transportation, metal manufacturing, as motorcycle goggles and many others