Costa MAINSAIL 6S9107 Sunglasses | Size 55
Size Guide
Matte Black
Gray Crystal
Deep Water Camo
Matte Tortoise
Tiger Shark
Red Sky
Gray 580p (Polarized) (3P 14%) №910708
Blue Mirror (Polarized) (3P 10%) №910705
Green Mirror (Polarized) (3P 10%) №910702
Gray (Polarized) (3P 10%) №910703
Rose (Polarized) (3P 13.49%) №910713
Blue Mirror (Polarized) (3P 10%) №910712
Green Mirror (Polarized) (3P 10%) №910704
Blue Mirror (Polarized) (3P 10%) №910701
Gold Mirror 580g (Polarized) (3P 12.7%) №910711
Gray Silver Mirror (Polarized) (3P 10%) №910706
Gray 580p (Polarized) (3P 14%) №910709
Your prescription is safe with us — you'll add it securely after checkout, with guidance at every step.
For performance and style on and off the water, Mainsail is your go-to pair for every outing and adventure. Mainsail is built with high-quality materials to go from beach to big blue.
Elevate your style with Costa MAINSAIL 6S9107 sunglasses! These sleek shades offer superior protection and clear vision with their polarized lenses. Whether you're sailing or just enjoying a day in the sun, these sunglasses will keep you looking sharp and feeling confident. Upgrade your eyewear game today!
Suitable for Driving and Road use



Vented HYDDOLITE nose pads provide grip and comfort, while promoting airflow

Double injected HYDROLITE on the interior and bottom of the temples provide comfort
Category: Sunglasses
Age Group: Adult
Gender: Men
Shape: Rectangle
Front Material: Injected
Temple Material: Injected
Fit: High Bridge Fit
Fitting: Regular
Rim Type: Full-Rim
Face Shape: Oval, Round
Prescription Ready
| Size* 55 |
|
| Horizontal Lens Measurement, A: | 55 |
| Vertical Lens Measurement, B: | 43 |
| Bridge / Distance Between Lenses: | 18 |
| Effective Lens Diameter, ED: | 61 |
| Temple Length: | 136 |
*All of these measurements are in millimeters
We Pay Shipping on all orders over $99 in the USA
Canada 10-20 business days
U.K/International up to 14 business days
If, for any reason, you are not completely satisfied with your order, you may return it within the first 30 days*.
*Limitations apply
Please note
Prescription lenses will add an additional

Costa MAINSAIL 6S9107 Sunglasses | Size 55
Matte Black / Gray 580p (Polarized) (3P 14%) №910708
Product Size Information
Here are the key measurements for the eyewear you've selected.
* If the product is available in multiple sizes, please choose your size on the product page to view the exact measurements for that size.
1. Horizontal Lens Measurement
2. Vertical Lens Measurement
3. Bridge / Distance Between Lenses
4. Effective Lens Diameter
5. Temple Length











































































































































































