I got these for the work I do with concrete. I always wear a respirator, gloves, and needed some tight safety glasses. It's best to keep the dust out at all times! The glasses are tight fitting, but I need to really pull them tightly to make sure no dust gets in. They work well and have limited my exposure to caustic materials. I work outside so it's not such a big issue with lots of dust. Would consider different glasses for indoors and lots and dust.