Bobster Raptor 2 Sunglass features:

Great for use with open face helmetsComes with interchangeable lenses so they can worn in all light conditions - clear, dark smoke & amberLenses are anti-fog treatedRemovable closed cell foam padding provides a snug fit between sunglasses & your faceTwo styles of face foam includedComes with detachable and adjustable strapIncludes sturdy sunglass case and lens cleaning cloth