Positives:
- Interchangeable lenses! The really great and are suitable for all weather conditions.
- Suppresses not with brackets under the helmet
- Bracket and rubber band can be changed simply super
- Wears very comfortable
- Really very athletic and not tall in the face
- When the sun do not fog up
- Does not slide down even with my small head
Negatives:
- The glasses change proceeding at an extremely tight; was always afraid his glasses to break through equal
- The glasses generally acts very shaky though she has endured some fun
- If snow / rain they fogged fast
Conclusion: For the price a really good glasses. I would buy them again at any time and am completely satisfied except for a few little things, but over which one can see across.