Excellent fog performance: Utilizes advanced anti-fog coating technology with a long-lasting, effective anti-fog layer inside the lens, significantly reducing water condensation. Maintains clear vision even in pool environments with high temperature differences, allowing focused swimming without frequent lens wiping. Full-angle view and wide field of view: Features a unique large-frame design with ergonomic curved edges that exceed traditional swimming goggle limitations, offering an ultra-wide viewing angle of nearly 180 degrees for a panoramic view of the underwater and surrounding environment. Ideal for monitoring swim lanes during pool training or observing conditions in open water. Comfortable fit: Frame constructed from soft, medical-grade silicone material that conforms tightly to the face, effectively preventing water leakage while minimizing pressure around the eyes. Resists leaving marks even during extended wear. Adjustable elastic strap allows quick customization of fit for various head shapes and preferences, ensuring stability and comfort. High-quality and durable materials: Made from premium-quality components. Lenses offer strong impact resistance and are not easily broken, able to withstand accidental impacts during regular use. Frame and lens structure is sturdy, durable, and resistant to wear and scratches. Maintains performance and appearance over time, even with frequent use and long-term storage. UV protection: Goggles are designed to effectively filter UVA and UVB rays from sunlight, providing comprehensive eye protection. Suitable for outdoor swimming use, offering eye safety while enjoying sun and water. Not intended for indoor pool use. Material: Polycarbonate. Package weight: 150g. Package dimensions: 16 x 7 x 6 cm.