These men's Nitrogen polarized-lens outdoor sports sunglasses are exceptional shades. The first shade they come in is classic black, which is ideal for anyone who wants to match these sunglasses with an assortment of other clothing choices. If you want to go with something that's a lot more adventurous, you will have your work cut out for you. Other color options, including gray, red, orange, chartreuse and blue, come right out and grab the attention of everyone around. Someone who's looking to get involved in the world of exercising should look at these shades. They won't disappoint because of the daring shades they come in for the more adventurous people.