About this item A revamp of the classic Cobra design combined with the best anti-fog technology available, Swipe Anti-Fog, that can be reactivated with a simple gesture and lasts 10 times longer Striking hydrodynamic racing goggles for professional swimmers offer superior comfort, stability and fit that will allow you to perform your best both in training sessions and racing events Constructed with high-performance lenses made from durable and impact-resistant polycarbonate, and semi-rigid temples designed for a secure fit, especially on dives Low profile racing goggles designed for a tight fit in the eye socket, prioritizing hydrodynamics and stability, with a thin gasket (over molded on lens) for perfect comfort and watertight seal FINA-approved and designed for competitive swimmers, these fogless goggles feature a dual silicone adjustable strap and include an interchangeable (4 size) nose bridge for maximum comfort