You may already know about Costa’s elite 580 lenses or their cutting-edge PRO Series frames, but do you know what size Costa sunglasses are right for you? If not, we are here to help! This list begins with the largest women’s frames and ends with the smallest. Need your Costa shades with prescription? That's our specialty! Keep reading our Costa Women’s Sunglasses Size Guide to find the best shades for you.

Costa Women's Sunglasses Size Guide

1. Large Costa Women's Sunglasses
1.1. Costa Cook
1.2. Costa Brine
2. Medium Costa Women's Sunglasses
2.1. Costa Loreto
2.2. Costa Isabela
3. Small Costa Women's Sunglasses
3.1. Costa Inlet
3.2. Costa Anaa
4. Women's Costa Sunglasses with Prescription

Costa Women's Sunglasses Size Measurement Key

Costa sunglasses size guide measurements

1. Lens Width 2. Lens Height 3. Bridge Width

Large Costa Women's Sunglasses

Costa Cook

The first frame we have is the largest of the bunch—the Costa Cook. This unisex, large-fit frame has a classic Aviator style with oversized lenses. Despite its large size, this frame fits comfortably and is made to be worn from sun-up to sun-down. Crafted with Beta Titanium material, this sunglass is lightweight and stays on your face with Costa's Hydrolite technology. Like most Costa eyewear, the Cook is ready for long days on the water—the titanium frame has amazing corrosion resistance.

  • 60mm lens width
  • 52mm lens height
  • 15mm bridge width
Costa Cook prescription sunglasses

Costa Cook in Rose Gold with Copper Silver Mirror 580P Lenses

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Costa Brine

Our second large-sized sunglass is a piece of high-performance eyewear. Costa Brine sunglasses feature integral hinges and Hydrolite temples. These features increase comfort and guarantee a snug fit that lets you focus on catching fish all day long. Unlike some of the more casual frames on this list, the Brine is an 8-base, wrap around frame. Made to hold up when you break a sweat, the Brine's ventilation system increases airflow. This frame is available with an Rx, but due to the high wrap design it may not be compatible with some prescriptions. Give us a call if you have any questions about which Costa sunglass is right for your Rx!

  • 59mm lens width
  • 36mm lens height
  • 18mm bridge width
Costa Brine in Matte Black with Green Mirror Costa 580 Lenses.

Costa Brine in Matte Black with Green Mirror Costa 580 Lenses

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Medium Costa Women's Sunglasses

Costa Loreto

Another Aviator style sunglass is the Costa Loreto. If you like the look of the Cook, but don't need such a large frame, give the Loreto a try. Inspired by the small town on the Sea of Cortez, this sunglass is a stylish and comfortable option for your adventures on and off the water. Featuring a corrosion-resistant Monel frame, you can take this medium-fit sunglass out on the ocean without worry.

  • 56.5mm lens width
  • 46.6mm lens height
  • 14.4mm bridge width
Costa Loreto in Rose Gold with Green Mirror Lenses

Costa Loreto in Rose Gold with Green Mirror 580P Lenses

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Costa Isabela

Our next medium-sized pick is the Costa Isabela—named after the island in the Galapagos. This rectangular TR-90 nylon frame gives you ample coverage with its 8-base wrap around design. Sporting spring hinges and Hydrolite nose pads, the Costa Isabela is an excellent choice for both performance and style.

  • 64mm lens width
  • 40mm lens height
  • 16mm bridge width

Costa Isabela in Tortoise with Copper 580P Lenses

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Small Costa Women's Sunglasses

Costa Inlet

Similar to the Isabela, but with more of a square shape, the Costa Inlet is our first of the smaller-sized frames. Despite its petite construction, the Inlet features the same spring hinge technology, polarized lenses, and durable nylon material as its larger counterparts. The square shaped lenses offer great coverage and style.

  • 58mm lens width
  • 41mm lens height
  • 14mm bridge width
Costa Inlet Retro Tortoise w/ Black Temples - Grey 580P

Costa Inlet in Retro Tortoise with Black Temples and Gray 580P Lenses

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Costa Anaa

Our final and smallest Costa frame is the Anaa. Don't be fooled by its casual look. Crafted to stand out as a fashionable lifestyle frame, the Anaa performs like a sport frame with the same durable TR-90 nylon construction as other Costa sport shades. Offered in an array of multicolored options, this frame is the best of both worlds. Bask in the sun or go for a run along the surf. Whatever your passions, do them in style with the Anaa.

  • 55mm lens width
  • 43mm lens height
  • 16mm bridge width
Costa Anaa prescription sunglasses

Costa Anaa in Shiny Retro Tortoise/Cream/Mint with Copper lenses

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Women's Costa Sunglasses with Prescription

Hopefully our Costa Women's Sunglasses Size Guide helped you pick the perfect Costa frames, but if you still have questions please contact us. Here at SportRx, we have certified Sports Opticians with the answers to your questions. We have a large selection of Costa products and can't wait to match you with your perfect pair of prescription Costa shades.

The best part? You have 45 days to try your Costa frames. If you don't absolutely love them, send them back for a 100% refund, exchange, or remake. It's our See Better Guarantee. Prescription Costa eyewear is also an eligible FSA or HSA expense. We gladly accept FSA/HSA cards as forms of payment, just input your card information as you would a regular credit card at check-out.

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