The graduated goggles from SPEEDO return for those who love swimming and wear glasses: Mariner Pro Optical Kit. Equipped with lens connectors, this kit allows you to build corrective goggles using Mariner Pro optical lenses. Dynamic sliders enable quick and effective adjustment, while the split strap provides secure and stable fit. With three different-sized nose bridges, the goggles are easily adjustable. Simply choose the correct diopter for each lens, using the Pulse Optical Kit in combination, which is included with the purchase of TWO LENSES. The kit you will purchase consists of 1 x strap, 2 x side clips, and 3 x nose bridges. REMEMBER TO ADD TWO GRADUATED LENSES TO THE CART BEFORE CHECKOUT.