Extremely sturdy frame rubber nose pieces fit is good slightly snug but much better than the previous pair I purchased. Not slipping off my face every time I look down ear pieces feel secure behind my ears (but may just be a bit long for me). The only con I can think of is probably due to how sturdy the frame is, ear pieces, nose pieces and frames sometimes need to be adjusted for comfort there's no flex or bend to this sturdy frame.

I got the 6X cause I need to look at things close up on my dog who has skin issues - so I can clean his infected areas of skin, these glasses enable me to wear a small headlamp to shine on the spots i'm working on and have two hands free where before I had to hold in one hand a magnifying glass. Two hand are better than one, Great glasses - perfect shape let me look over the top rim to see other areas and then lower my eyes back into magnified area. Glad I found READERS,COM

I like how they fit not thight on the temple, true vision, very satisfied A++.