Mckenzie Wood RX Eyeglass Frames Hands down our most popular wood optical frame, the McKenzie has slick clean lines and prominent angles. A top pick for both men and women, the McKenzie is a versatile frame that will suit almost all face shapes and compliments most styles. Wood Optical Frame Features: -Handcrafted with 16-layer laminate wood for extra durability -Spring flex hinges for a secure comfortable fit on nearly all face shapes sizes -Clear lenses that can be worn as is, or brought to your local optician to have your vision prescription filled -Arrives in a bamboo case with a microfiber lens-cleaning pouch; shipped in a recycled paper mailer -10 trees planted with Trees for the Future -180-day warranty included MEASUREMENTS • 50 - 18 - 135 MM (LENS WIDTH/BRIDGE/TEMPLE) • 138 - 43 MM (TOTAL WIDTH/TOTAL HEIGHT)