A decent pair of mountain biking sunglasses is an essential item of biking gear that every biker must own and use. There are several reasons why this type of eyewear is so important including the fact that it protects your eyes from bright sunlight. At the same time, the right pair will also ensure that you get a clear view of the trails and of course, these sunglasses will also reduce glare. When you put on these shades, you won't have to squint to see clearly and there is also less risk of damaging your precious eyesight.