The HK3 Series gives you all the features you want for a comfortable and stylish option in protective eyewear. This generous lens offers an outstanding orbital seal and prevents hazards from threatening one of your most treasured belongings - your eyesight. The HK3 features a closed cell foam seal around each lens for better protection. Soft secure TPR (Thermal Plastic Rubber) nose pads give you long lasting comfort and the non-slip soft bayonet temples helps hold the eyewear firmly in place. The HK310PF features our MAX6® lens coating for unparalleled anti-fog protection. If you are looking for the best anti-fog safety glasses choose MCR Safety's MAX6® coated options and see the difference! To learn more about our anti-fog styles and anti-fog coating options click here!