This pair, like model number 6023, is unusual because we usually find frameless looks paired with lighter colored lenses.
If you're shopping online, once you get the model number, you can check with other well-known sites to see if the model number and color scheme match up.
If you already have a mask, you may only need to look up the model number and choose from several different lens colors for that particular mask.
They ask that you include your model number and color details in the comment detail box that pops up during your checkout.
Instead, all you'll have to do is scroll through the different serial numbers and see if they match up with your own model number.