Oakley Splice Sunglasses are a new way to splice our genetic code. It combines separate sculptural forms of lightweight O Matter into a single unified geometry. Our 4-D design language utilizes Metal Injection Molding(MIM) to anchor the stress resistant frame material, achieving a yield strength of 29,000psi. XYZ optic technology refers to curviture of the lens, correcting light refraction along the X, Y, and Z axis. Oakley uses this technology to ensure clarity of vision. Unobtainium ear and nose pieces keep your shades from sliding off of your face, even if you sweat like a hog. American made sunglasses that can survive a 12 guage shotgun blast at 15 yards, and you thought you were tough. All Oakley eyewear is warranted for one year from the date of purchase against manufacturer defects.