3M™ OX 3000 Over-Glasses Protector Glasses, Scratch and Fog-Resistant Coating, Transparent Lens, 17-5118-3040M Features: 3M™ OX 3000 Over-Glasses Protector Glasses are the best choice for use with earmuffs. It has a flat adjustable temple compatible with PELTOR earmuffs. The non-slip rubber tips provide extra comfort.