The SG-YCB are premium blue light blocking safety glasses with solid construction. Built for user comfort, they have a flexible 8-base curved polycaronate frame. It has a clear 420cut blue light blocking lens, workable against harmful HEV blue light upto 420NM. Its lens has high protection qualities and have K&N anti-scratch & anti-fog coatings with 99% UV A/B/C protection. Its nose pad and side arms are rubberised for additional grip and resilience. Rated to CE, ANSI & ASI/NZS, they offer universal certified protection. Comes with a micro-fibre drawstring storage bag when not in use.