PLUTONITE® lens material filters out 100% of UVA, UVB, UVC and harmful blue light up to 400nm. Six-base lens geometry offers optimized peripheral view and side coverage. Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment. Varied field of light transmission (top to bottom) via optional gradient lens shading. Patented hydrophilic Unobtainium® adjustable nose pads ensure a snug, secure fit. Meets all ANSI Z80.3 standards for optical precision and performance. Metal icon details. Hard case included.