Spare lens for the Aspire. Aspire lenses are developed to provide enhanced contrast across all environments.Specifications:- 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%