1. UV protection,anti-fog lenses 2. 100%silicone straps 3. Interchangeable nosebridge 4. with the plastic case packing 1.UV protection ,anti-fog lenses ,and 100% silicone straps and seals make it environmentally friendly2.Interchangeable nose piece with 3 different sizes to fit different faces3.Holes in the end of the frames to let water pass freely and minimize the water resistanceas you are ...
