XS | S | M | L | XL | XXL | |
Men | 118-123 | 124-129 | 130-135 | 136-141 | 142-147 | 148+ |
Women | 114-119 | 120-125 | 126-131 | 132-137 | 138-143 | 144+ |
Kids | 107-112 (Infant) | 113-118 (Toddler) | 119-124 (Little Kids) | 125-130 (Big Kids) |
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Free Shipping & Returns
Free Shipping & Returns
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
See Better Guarantee
See Better Guarantee
We understand prescription lenses are an investment in your vision. 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
FSA/HSA ACCEPTED
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
Talk with one of our friendly Sports Opticians.
SportRx Frame Width™ (SFW) is the measurement our Sports Opticians use to find the most accurate fit possible. Unlike most eyewear measurements that have little to do with fit, SFW serves as an indicator for how well a frame or goggle will fit your face.
View Size & Fit GuideRay-Ban RB4171 Erika sunglasses are the perfect finishing-touch accessory to complete your look. Featuring oversized lenses that provide 100% UV protection, the Erika will keep you looking chic and help you avoid squinting lines. Thin metal temples contrast the dramatic lenses and give you all-day comfort. Available in an assortment of colors and finishes, you can achieve a look that suits your unique personality and style. Get your RB4171 Erika with prescription with the help of one of our friendly opticians! Available with Ray-Ban Authentic Lenses that feature the logo on your prescription lenses, or with SportRx Custom Lenses, you won’t sacrifice style when you choose Ray-Ban RB4171 Erika prescription sunglasses.
Enables better vision by reducing the amount of reflective light bouncing off your lenses.
Hydrophobic coating helps sweat and water droplets run-off the surface of lenses. Great for rainy days or for sweaty workouts.
Oleophobic coating protects the lens against fingerprint smudging & facial oils. Oils are repelled from the lens surface making them easier to clean.
SIZE & FIT GUIDE
1 - Lens Width: 54 mm
2 - Lens Height: 46 mm
3 - Bridge Width: 18 mm
4 - SportRx Frame Width™ (SFW): 137 mm | Learn More
5 - Temple Arm Length: 145 mm
L | Not sure about frame fit? Frame Fit Guide
Standard | Not sure about bridge fit? Bridge Fit Guide
TECH SPECS
*Results Vary From Person To Person