Create your own style! With the replaceable lens and temple tips you create the style you like and make a perfect match with your other gear. Sport glasses for cyclists who need prescription lenses. Optical lens feature with prescription lens interface. Interchangeable polycarbonate lenses. The optical lens interface works with a deviation between -6 and +6. Interchangeable polycarbonate lenses. Block system prevents the temple tips damage the lenses while folded inwards. High-end Grilamid frame with adjustable rubber nose piece.