Swim Goggle Information Back by popular demand! Modular goggles assembled in just seconds, or pre-assembled non-prescription goggles. You can pick different prescription powers for each eye, and if your prescription changes, you can change one or both lenses without having to purchase another goggle. Lenses offer 100% protection, so they can be used indoors or outdoors. They also have a high-performance anti-fog treatment on the lenses to prevent fogging. The light smoke color are light enough to be used indoors, while offering some protection from the sun's glare outdoors. Comes with two sizes of nose bridges made of flexible, soft plastic. The goggle uses a silicone seal for no-leak comfort. The head strap is also made of silicone that includes an adjustable buckle for added comfort. Comes with a goggle bag. Goggle ships unassembled. Goggles can be assembled for a fee. Latex-free silicone adjustable headstrap and polyseal eye gaskets. Goggle with small bridge does fit kids 5 and up. 90-day warranty. More information and warranty information are available on the Hilco Leader brand page. Prescription Information Available in whole diopters +1.00 to +8.00 and in half diopters -1.00 to -8.00 (no -6.50 or -7.50 available), and in non-prescription (fully assembled). For prescription, order goggle parts (which includes eye seals, strap and nosebridges-2 sizes) and prescription lens powers of choice, one power for each eye. These goggles are returnable in original condition and packaging. For prescriptions with astigmatic power (second number or cylindrical number) of over -1.00, you may need to go into a custom-made goggle for good vision. To determine what power of lenses you need, read "How to read a Prescription" on our FAQ page. Or, you can order what you think you need, and you can enter your prescription in the spaces provided. We will verify if you ordered the right lenses or if we think there needs to be an adjustment, we will manually change the order to the best power for your prescription.