Keep Swimming Goggles HD Waterproof Anti-Fog Unisex Comfortable Adult Swimming Glasses 020 White Plano

Minimalist design focused on professional swimming experience

Nanometer Anti-fog coating with long-lasting effect (tested over 6000 seconds, 200% improvement)

Intelligent self-repairing anti-fog coating activated by water at 40°C to heal minor scratches

Crystal-Flow™ lattice dynamic coating technology for automatic restoration

178° ultra-wide curved lenses for immersive underwater vision

5mm high-definition wide-angle optical lenses, enlarging field of view by 139%

Optical-grade custom lenses available from 0 to 500° myopia correction (increments: 150°, 200°, 250°, 300°, 400°, 500°)

Recommended to select lenses approximately 50° lower than daily prescription due to refractive index differences between air (1.0) and water (1.33)

Three interchangeable nasal bridges (S/M/L) designed ergonomically based on Asian facial data for a comfortable, leak-proof fit

Adjustable head circumference fit from 52cm to 70cm with quick sliding adjustment design