Has a soft PVC shroud which imparts increased comfort to the wearer. Lens is made of hard-coated Polycarbonate which makes it completely Scratch-Resistant. UV resistance of 99.9%for range 200 - 400nm. The frame has 4 ventilation caps, 2 on the top and 2 at the bottom of the frame. These are special one-way vents which allow air movement while keeping harmful liquid-splashes out. Comes with an adjustable elastic band.