Lens The lens is silver with a larger surface area than ever before for an improved level of peripheral vision. The lens is positioned with special, integrated vents to improve air circulation to your face to help protect from a build-up of body heat a moisture that could throw you off your game and cloud your vision with fogging. Included in this set is a spare lens with a tear off pins system for when your ride is particularly muddy or moist. Frame The inside of the goggles is lined with a triple layer of foam which helps cushion the goggles against high impact and also to add an extra layer of comfort during the trail. Read more… The foam is also designed with anti-moisture technology to ensure that however wet your environment the goggles will stay in place and not slide about your face. The straps comes in genuine leather, suede and canvas to give you a great durable feel no matter what your style.