Shwood Mckenzie Titanium Sunglasses | Blue Opal Titanium / Grey FadeMckenzie Titanium takes the renowned and beloved acetate design of the Shwood Mckenzie and injects some futuristic titanium, making for a bolder, more polished look. The contrast of crystal acetate and metal gives a certain depth and texture that sets these sunglasses apart. With lenses by Zeiss that will protect your eyes and a striking design, these sunglasses will make you stand out. [Details] Optics by Carl Zeiss Vision CR 39 or Polarized lenses