The Speedo Hydrosity is a great, economic swim goggle option when you're looking to swim laps. With fitting system that offers a comfortable fit for a range of faces, anti-fog lenses with UV protection ( protecting your eyes from chlorine and the sun), and soft silicone split straps, you'll be swimming all day in comfort. Details Fitness: Durable, lap-loving goggles designed for fitness swimmers. Soft: Frame cushions your face and maximizes comfort. Traditional 'Middle eye' fit: Classic fit provides great comfort and visibility. Clear/Colored: Provides crisp, clear vision indoors and out. Expanded side view lets you keep an eye on the competition. Soft frame goggle with easy adjustable Speed Fit clips. Excellent fitness goggle. Hypoallergenic comfort seals. Silicone split head strap. Anti-fog and UV Protection. PVC and latex free.