Casual style includes a more relaxed wrap and flexibility at the temples for all-day wear in multiple environments, including water settings; Frames and lenses suited for small to medium faces Lenses and frames engineered to the same ballistic impact protection standards as our other eyewear and provide high velocity impact protection (not rated to Z87.1 due to the wrap and shape) Frame constructed from TR90NZZ, which is the strongest thermoplastic material available for eyewear; Designed to excel in activities like water sports, running, fishing, hiking, biking, golf, motorcycle riding, etc. Oleophobic polycarbonate lenses shed liquid and won't be degraded by water, sweat or chemicals; Anti-reflective coating on inside of lenses minimizes distracting reflections Padded low profile temples integrate smoothly under helmets, communication headsets and over the ear hearing protection while providing comfort with rubber nose and temple pads