Ventilate herone of the frames DEMON combined with the anti-fog treatment or the double anti-fog lens it helps absorb humidity and avoid fogging. Real Arezi sections are created in the frame of the ski and snowboard snow gogglesone protected, at the top, bottom and in some models on the side, by a spongy part that prevents the entry of impurities. The importance of the arezione in the phase of maximum fatigue it is very high, in fact combined with the Anti-Fog treatment it counteracts the creazione of condensation which reduces performanceone and in the worst cases it forces the athlete to temporarily interrupt performanceone to clean the lens. Therefore fundamental for eye relaxation and performanceone choose snow goggles that have good arezione. IMPORTANT: In particular conditions of high humidity, the ventilated frame combined with anti-fog lenses may not be able to absorb fogging.