A strong look and performance to match with interchangeable lensesglasses are a must have on every ride whether its to cut down on the suns glare or to stop mud getting in your eyes they offer essential protection enduras guppy glasses add some further versatility into the mix with the use of interchangeable lenses so you can customise them to the demands of each rideall the polycarbonate lenses are hydrophobic to repel water and have an anti fog treatment to help resist misting up plus u