Their phenomenal strength-to-weight ratio comes from five metal compounds, superheated and cooled into two unique casts: a featherweight skeleton and a broad-boned scaffold. A Wire™ frames include newly enhanced earstems, nose bridges and hinge mechanisms. XYZ Optics and Iridium® lens coatings ensure that true optical fidelity reaches your visual cortex. All Oakley eyewear is warranted for one year from the date of purchase against manufacturer defects.