The Mammoth premium computer glasses, part of our King Collection, are designed with an emphasis on style and X-tra wide dimensions.These rectangular frames offer a classic look that’s suitable for professional environments as well as gaming sessions. The precision engineered polymer frames are lightweight, comfortable, anddurable with the latest GUNNAR patented lense technology including GUNNAR-Focus with an Amber tint, 65% blue light blocking. | Gunnar | | Mammoth Computer Glasses with Blue Light Reduction, Amber Lenses | Onyx | Best Buy