Spare lens for the Aspire. Aspire lenses are developed to provide enhanced contrast across all environments.Fits both the original Aspire and the 2019 updated style.The Clarity road lens technology filters specific peaks in the color spectrum to enhance precision vision. Spare Lenses: Clarity MTB Brown/Light Silver Mirror CAT 2 VLT 40%,Clarity MTB Brown/Silver Mirror CAT 2 VLT 20%,Clarity MTB Brown CAT 1 VLT 27%,Clarity Road Violet CAT 2 VLT 23%,Clarity Road Violet/Gold Mirror CAT 2 VLT 26%,Clarity Road Violet/Light Silver Mirror CAT 2 VLT 25%,Clarity Road Violet/Silver Mirror CAT 3 VLT 13%,Regular Performance Clear CAT 0 VLT 90%.