DescriptionSo lightweight workers forget they are wearing them, weighs just .77 ounces (22 grams). Soft rubber nose bridge and colorful rubber temple inserts make it easy to wear. Lens available in amber, ice blue, clear, clear anti-fog, grey, -fog, indoor/outdoor and flash mirror. Polycarbonate lenses absorbs 99.99% of harmful UV A, B and C, 180-380nm.