Safety sunglasses are sunglasses that function as safety goggles and sunglasses. You can wear safety sunglasses when you are riding a motorbike. It protects your eyes from the dirt which is flying towards your eyes in the air, especially when you are riding a motorbike. The dust will enter your eyes and cause you to have a problem seeing things ahead. Besides, it can protect your eyes from sunlight glare. The sunlight won't be able to shine directly into the eyes when you wear the safety sunglasses. It blocks the light which is refracted horizontally from the roadway or water. It is a common phenomenon that the sun's rays will refract from the highway when you are riding a motorbike. It blocks the sun's rays so that they will refract to another place.