TM1836B 30 Layer Contamination Control Mat 18" x 36" Blue Color:Blue 425" (98 x 87 mm) ANSI Class 1 425" (98 x 87 mm) view area semi rimless design provides all day user comfort 10% reduction in size compared to standard safety eyewear Compact frame to fit smaller and narrower faces Rubber nose pads offer a more secure fit Flexible temples provide a secure fit without uncomfortable pressure points FogLess® 3Sixty™ enhanced hydrophobic action resists lens fogging and provides clear vision in extreme working conditions 8 Specially designed adhesive coated mats reduce foot borne dust and particulates from entering cleanrooms and controlled environments