Crews Klondike Safety Glasses with nylon black matte frame are ideal for indoor/outdoor usage and are designed to provide enhanced safety as well as style at an affordable cost. Glasses with a lightweight design feature a clear mirror rugged polycarbonate anti-fog lens with 55% VLT. Safety glasses feature adjustable black temples with a 11 deg base curve lens to provide comfort for extended wear. Eyewear comes with lens that filters out 99.9% of UV rays for enhanced protection and proprietary soft, secure TPR gel nosepiece for a comfortable fit on a variety of facial profiles. It has extendable spatula temples to give a locked-in-place fit and is ideal for use when you are on the slopes or at the workplace. This eyewear comes with an exclusive Duramass technology that provides resistance to fog. Glasses meet ANSI Z87, AS/NZS 1337.1, CE EN166, CAN/CSA Z94.3 standards for optical clarity and impact resistance, sold as 144 pairs per pack.