When You select your prescription lens, just select clear lens, These are double lenses sunglasses.

Safety Glasses Prescription for different lighting conditions with UV400 eye protection plus wind and glare protection during outdoor sports like cycling running trekking hiking skiing shooting fishing and driving

• Safety Prescription Sunglasses keep your eyes safe Safety, are specifically designed to suit a wide range of hazardous working environments.
• Half-rim red frame made from impact resistant plastic,Unisex design Classic rectangular frames lend a sporty and flattering look,
• Available in multiple colors. The Frame made of polycarbonate. SIZE - Universal Adult;
• Polycarbonate red tint lens large area design coverage lens to block peripheral light Soft nose and temple ends.
• UV sun rays are harmful to eyes and can cause wrinkles around eyes.

LOOK! 

Because the frame already including UV 400 protection red lenses outside, Your only need select clear prescription lens inside, but you can still customized make your prescription lenses from different index such as 1.5, 1.56,1.61, 1.67 to different lens optical design such as Aspheric lens.