Costa Del Mar Men's Luke 400G Polarized Sunglasses [Dick's Sporting Goods] $99
Select styles of Costa Del Mar sunglasses are on sale at Dick's Sporting Goods for $99.00. Search for "Costa Del Mar" and then filter price for "$50-$100". You should see four styles that are $99.00 each. These models have glass lens and retail for $250.00. Prices beat that on Amazon's third-party sellers. I know that expensive sunglasses aren't everyone's cup of tea, but if you're going to spend a few days on the water or hiking in the summer sun, nice sunglasses could save you a lot of suffering.