The Bolle Crevasse Sunglasses are a great value. I was a little skeptical that a really good pair of glasses would come at a low price. I was very surprised when I began wearing them. The glare reduction is the best I've ever had, even from a pair of sunglasses that cost nearly twice what these Bolles cost. The side guards are great for blocking out glare coming from unexpected side angles. I am aware that wrap around glasses do the same, but the fit of the Bolle was better for me than the wrap around pair I tried. Great glasses at a great price. Highly recommended.