Best Seller
Costa Del Mar Mainsail
Matte Black/Blue Mirror Polarised Glass Lenses
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Best Seller
Costa Del Mar Mainsail SunglassesMatte Black/Blue Mirror Polarised Glass Lenses
Write a review4 payments of $72.22 with 
From $10 a week with 
POLARISED
POLARISED
POLARISED
Delivery
In-StoreExpress Delivery
1-2 business days*. Free on orders over $150.
FREE
Standard Delivery
2-6 business days. Free on orders over $80.
FREE
Click & Collect Learn more
From four QLD and North NSW locations. See store finder.
FREE
Product Details
The Costa Del Mar Mainsail sunglasses are made for performance and style on and off the water. Crafted using premium materials, this design will effortlessly transition from sandy beaches to vast oceans. The modern rectangular silhouette is equipped with vented Hydrolite™ nose pads, ensuring a comfortable grip while enhancing airflow. Additionally, the double-injected Hydrolite™ lining on the interior and bottom of the temples maximizes comfort for prolonged wear, while the fitted blue mirror lightwave glass lens provides superior UV protection against bothersome surface glare.
Delivery & Returns
Shipping and Delivery
Standard:
- FREE standard shipping on Australian orders $80 and over.
- Metro: 2-5 business days* & Regional: 3-7 business days*
Express:
- FREE express shipping on Australian orders $150 and over.
- $4.95 for Australian orders $80 and over.
- $12.95 for Australian orders under $80.
- Metro: Next business days* & Regional: 1-2 business days*
International:
- $14.95 international shipping to New Zealand.
- $19.95 flat rate for all other international orders.
Returns & Refunds
FREE RETURNS on full price & our price orders over $150* within Australia*.
Offer excludes sale items, outlet items, and items purchased during promotions and site-wide sale events.
Full Price & Our Price:
- Free Return on orders over $150*
- Exchange or refund within 30 days.
Sale & Outlet:
- Sale items can be exchanged only and are not eligible for Free Returns. Sale items are all items with a red price.
- Outlet items are final sale and cannot be returned for a refund or exchange. Outlet items can be found in the sale section and marked with an “(O)" in the style name.
About the Brand
Shop the range of Costa Del Mar Sunglasses for men and women online at Just Sunnies Australia and complete your purchase with Afterpay or Zippay. Costa is the leader of innovative, polarised eyewear made ethically with the environment in mind, enjoy Fast Delivery and Free Express Shipping* when shopping the best-selling styles such as the Blackfin, Faintail and Rinconcito sunglasses. Established in Florida, the fishing capital of the world, Costa's lenses are perfect for all water activities made with the brands exclusive, sustainable Bio-Resin material.
Costa has an intense step by step process to ensure each pair of sunglasses are of the absolute best quality. All Costa sunglasses feature polarised lenses which are essential for anyone who spends a lot of time outdoors and near the water. Costa offers seven different lens types to suit all lifestyles. For offshore, a blue mirror is recommended for full-sun situations while green and copper mirrors are great for freshwater and inshore. For low light at dawn or dusk, Costa's sunrise silver mirror is perfect, and for time spent off the water, grey lenses are the best choice for everyday activities.
Costa Del Mar is committed to creating a better world by protecting our oceans and waterways for future generation to enjoy. Their eyewear combines premium lens technology with water-friendly sourcing and practices, resulting in polarised eyewear that enhances everyday life.
Manufacturer's Warranty
Costa Del Mar sunglasses have a 2-year warranty against manufacturers faults.
* General wear and tear is not covered under warranty
For more information about warranty click here:
Lens & Frames
The below lens and frame information is general details about the different types of lenses and frames available from Costa Del Mar. Specific lens and frame descriptions are available on each individual product description. Eg: Gloss Black/Grey Polarised Lenses. If you have any further questions please contact our customer service team at: support@justsunnies.com.au
LENSES
All Costa Del Mar lenses offer 100% UV protection with the best polarised technology. Costa lenses meet the Australian and New Zealand standards and are either a category 2 or 3 lens. Costa offers seven lens colours that range from low light to extremely bright light. All Costa lenses have polarised lens technology.
LENS CATEGORIES
Category 0 - These lenses are classed as fashion spectacles and not sunglasses. They provide limited or no UV protection.
Category 1 - These are not classed as sunglasses. They do provide limited protection from the sun and some UV protection.
Category 2 - Category 2 lenses provide a medium level of sun glare reduction and good UV protection.
Category 3 - Category 3 lenses provide a high level of sun glare protection and good UV protection.
Category 4 - These are special purpose lenses that must not be used while driving at any time.
Most, if not all sunglasses sold by Just Sunnies are category 2 or 3 lenses. If you have questions about the lens category of your chosen style please do not hesitate to get in touch with our customer service team via email support@justsunnies.com.au or phone (07) 55350994.
FRAMES
Costa sunglasses come in a range of different frames to meet everyone's needs. Frames come in co-injected nylon material, acetate frames, metal frames, rimless and combination frames. Materials such as Titanium, hydro lite rubber, and co-injected bio-based TR-90 nylon are used to create a sturdy versatile frame. Several frames have a ventilation system design and sweat management in their temples.
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