'Give the finger' to conventional lens changing Systems with the Flip Off series. With three sets of lenses included and Optic Ner's Flip Off lens changing technology, this lightweight half frame wrap is more than capable of keeping pace with your adventurous lifestyle. Easily switch out your lenses in 5 seconds and spare no time on the sidelines. Features: - Three sets of interchangeable lenses included for variable conditions - Unisex / Fits average to wide face sizes - Water, sweat, oil, and dust repellent lenses - Wire-core adjustable rubber nose bridge and non-slip rubber temple tips - 100% UVA/UVB Protection - Limited lifetime warranty. - Soft and hard cases included - Dimensions: Pin to Pin- 135mm, Tip to Tip- 107mm, Temple Length- 110mm, Eyesize- 73mmX41mm, Overall Width- 163mm