The TYR Corrective Optical Goggles offer athletes a clear alternative to contacts during training, with wide-angle, optical-grade, polycarbonate lenses available in corrective diopters ranging from -2.0 to -8.0. The universal eye socket frame ensures a comfortable fit for all swimmers, making these goggles an excellent choice for both men and women. Features Wide angle view with prescription lenses measured off the corrective diopter measurement Sturdy TPR gaskets which help provide a secure, leak-proof fit Split TYR headstrap helps evenly distribute pressure while swimming Side clips are easily adjustable and may vary per style Adjustable nose bridge Note: If you are unsure of your spherical prescription, please contact your optometrist before ordering Details Material(s): Lens: Polycarbonate; Strap: TPE Sun Protection: UVA/UVB Adjustable: Yes Country of Origin: Imported