· Are you getting these sunglasses for sports or spending significant time outdoors? Choose ones with a nice close fit, possibly with rubber grips on the arms. If they are for fishing or use on water, polarization is a must; polarized glasses provide more sun protection.
3.Don't buy sunglasses if they're labeled as "cosmetic" or don't provide any information on UV protection. Look for scratch resistance, many lenses have very fragile coatings. If you are spending much money, you want them to last. Fortunately damaged lenses can be replaced for most models.How to Fix Scratches on Oakley Sunglasses.