Progressive Lens: (UP: +0.00, BOTTOM: +2.50) The upper part has the lowest degree of correction, suitable for walking and shopping. The middle part has a gradually increasing degree of correction, suitable for using computers, watching TV, etc. The bottom part has the highest degree of magnification function for close-up reading. This means you can wear these glasses anytime and anywhere. Sunlight Protection: Photochromic gray glasses keep your eyes comfortable outdoors. Frame: only 11.0g, lightweight, flexible and durable, no pressure on ears for long time wearing Clear lens: Clear lens with little yellow tint, no impact the electronic screen color. Customer Support：If you have any questions, we're dedicated to delivering outstanding support and making you satisfied. Product description Stay protected you from harsh sunlight with progressive multifocal photochromic reading sunglasses designed for reading, biking, and other activities. Product Details: Progressive multifocal reading glasses Clarity lenses Photochromic gray lenses Lightweight, comfortable frame Gender neutral  Order Includes: Yein eyeglasses Soft cleaning cloth Small screwdriver  Attention: When wearing glasses, please hold the temples with both hands When not in use with lens cloth, the lens up and placed in a special bag, beware of the lens and the frame is scratched by hard objects. Frames or lenses contaminated with dust, sweat, grease, cosmetics, etc. Please use a mild detergent warm water, then dry with a soft cloth. Prohibit prolonged exposure to water, soaked in water and placed in a fixed place by the sun exposure; prohibit the prolonged exposure to current, metal edge.