Build a customised prescription goggle with the Mariner Pro Optical Kit. Featuring new lens connectors, this self-assembly prescription kit can be built in as little as 15 seconds using our Mariner Pro Optical Lenses (available to purchase separately). Dynamic sliders provide fast and effective adjustment, while the low-profile split strap offers a secure and stable fit so you can focus on enjoying your swim. With three different-sized nose bridges to choose from, this easy-to-adjust goggle fits a wide range of face shapes.