When you are on a field mission, you need to be able to adapt to new or unforeseen circumstances. The ESS Ice Eyeshield Medium Large Fit Sunglasses will help you do just that. With interchangeable lenses, you can decide what will work best for you in the moment. These light spectacles are built without a frame. This means you can have an unobstructed field of view. The ear bends are engineered to give you a comfortable and anatomical fit. The Ice temple design gives you an improved fit that can easily be adjusted to suit your needs. These finely crafted beauties meet military specifications, so you can go ahead and pack them with your survival gear.