Respro Motorcycle Helmet Foggy Anti-Fog Mask Universal Fit - Kevlar Look The Foggy Breathguard is the unique neoprene guard that prevents your visor from fogging up. Visor fogging is a major problem for all bikers and pillion riders - it would be good for car drivers too - if they could see in the first place! The Foggy Breathguard is 99.9 per cent effective and is superb value for money. It works with full face crash helmets, is easily fitted and once in place, never has to be removed except for the occasional machine wash. It requires no maintenance - none at all! You simply fit it and forget it. So if you are still lifting up your visor whilst stationary at traffic lights, then the Foggy Breathguard is the product for you.