The SG-YIO is a pair of safety glasses for both indoor/outdoor use. Constructed from tough yet flexible nylon polymer, it has the design qualities to survive wherever you use it. It has tough polycarbonate lenses which have 99% UV A/B/C protection and anti-scratch/anti-fog coatings. For comfort and stability, there are rubberised TPR inner arm and nose grips. Super tough flexible nylon-polymer frame 8-base curved toughened polycarbonate lenses Toughened polycarbonate lenses Indoor & outdoor mirror lens coating With 99% UV A/B/C protection (EN170) Anti-scratch & anti-fog lens coatings Flexible PC & TPR co-injected side arms Rubberised TPR inner arm grips TPR non-slip nose grip with reinforced bridge Side TPR temple shields with ventilation Micro-fibre drawstring storage bag included Lens markings Lens filters: 2 (UV EN170) 1.4 (indoor & outdoor) Optical class: 1 (high optical quality) Lens coatings: standard anti-scratch & anti-fog Mechanical risk - low energy impact - F High speed