High-performance swim goggles feature fog-resistant lenses, UV protection, and water pressure resistance, typically offering better comfort and light transmission. Popular brands like Speedo, Arena, and TYR design their goggles with both comfort and underwater clarity in mind, ensuring stability and a clear view beneath the surface.

During the competition, the fit and anti-fog functionality of the goggles are crucial to his performance. Only with the right pair of goggles can he ensure clear vision during intense races, avoiding any disruption to his focus caused by fogging up or discomfort.
Although most swim goggles come with anti-fog features, there is still a possibility of fog buildup during high-intensity competitions or long training sessions. Additionally, goggles that are too tight may cause pressure around the eyes, affecting comfort.