Streamlined hydro-dynamic design reduced drag in the water to help you achieve your next pr. Ultra-soft silicon gaskets minimise pressure around the eyes keeping you comfortable during both open water and pool sessions. Curved lenses give an excellent field of vision allowing you to carefully navigate your direction and spot any other swimmers. Polarized Mirror Lenses – Reduce glare and reflections, improving clarity and eye comfort in bright outdoor conditions, making them ideal for open water swimming. Clear Lenses – Improve visibility in low-light environments, helping swimmers see clearly during early morning or indoor sessions. Anti-fog lens protection gives crystal clear vision preventing the need for mid swim demisting. Custom fit. The goggles fit a wide range of shapes and sizes with an easy adjustable split yoke head strap and 3 different interchangeable nose bridge sizes.