Pinlock offers a great solution against shield/ visor fogging.The Pinlock original insert is made of a moisture absorbing plastic and because of that you won\'t get any fog on your visor. The insert has a silicone seal that creates a double shield system. The Pinlock visor is suitable for the Race-R Pro and the Speed-R helmets. Yellow: If it will be heavily cloudy or the weather conditions will be changing, an insert with more contrast is the right solution. The yellow Pinlock® insert is excellent for misty and rainy weather.