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Free Shipping
Don't pay a cent for standard shipping ever again. Other shipping options are available. Learn More
Not 100% satisfied with your purchase? Return them within 45 days for a full refund or exchange. Learn More
FSA/HSA Accepted
Flexible spending accounts (FSA), health savings accounts (HSA), and out-of-network vision insurance coverage can all be used towards awesome new prescription sunglasses, eyeglasses, and goggles. Learn More
See Better Guarantee
We know you work hard for your money, which means you’re looking for the best value you can find. At SportRx, we go beyond premium brand names and prescription lenses. We give you friendly professionals to help you find what you need and 45 days to make sure you’re happy with your purchase. Your satisfaction is our promise, or your money back. Learn More
Costa Middles delivers a relaxed West Coast style with everyday performance. This round sunglass frame uses eco-friendly bio-acetate for a lightweight, comfortable feel that holds up to life near the water. A custom stainless steel core wire adds structure and balance, while five-barrel metal hinges provide dependable durability. The 4-base design offers natural coverage and easy all-day wear, from coastal drives to dockside afternoons. With a medium to large fit and a timeless round silhouette, Middles brings laid-back confidence to any lifestyle. Available in prescription at SportRx for clear, comfortable vision wherever your day takes you.
Product Overview
Beyond Polarized
In addition to fighting glare, Costa 580 polarized lenses filter out harsh yellow light & absorb bad HEV blue light. Experience higher definition, sharper contrast, & enhanced color.
Glare Protection
Enables better vision by reducing the amount of reflective light bouncing off your lenses.
Water Resistant
Hydrophobic coating helps sweat and water droplets run-off the surface of lenses. Great for rainy days or for sweaty workouts.
Smudge Protection
Oleophobic coating protects the lens against fingerprint smudging & facial oils. Oils are repelled from the lens surface making them easier to clean.
Enhanced Durability & Longevity
Hard coating provides a high-quality, scratch-resistant coating protecting lenses everywhere your adventure takes you.
Product details
Frame Materials
Acetate, Eco-Friendly
Safe from Harmful UV Rays
Block carcinogenic ultraviolet (UV) light from reaching your eyes. With 100% UV protection, your eyes are safe from absorbing harmful sun rays.
4 Base
Another way to refer to a flat frame. 4 base refers to glasses that have almost no curve to the lenses or frame and the temples rest at perpendicular angles.
Included Accessories
Cleaning Cloth, Hard Case, Two Year Manufacturer Frame Warranty
Perfect For These Activities
Casual Lifestyle, Driving
Costa Middles Reviews
*Results Vary From Person To Person
FREE SHIPPING
All SportRx orders ship free, and returns are completely covered within 45 days. Shop with confidence knowing you’ll never pay for shipping—either way.
FSA/HSA ACCEPTED
Use your FSA or HSA funds at SportRx to get prescription glasses, sunglasses, or goggles designed to fit your lifestyle.
SEE BETTER GUARANTEE
SportRx offers a 45-day worry-free return policy. If your prescription eyewear isn’t perfect, return it for a full refund, exchange, or credit.
EXPERT SERVICE
Our Sports Opticians are true eyewear experts, providing personalized advice to help you find the perfect prescription eyewear.
