Men's Costa Mainsail Polarised Sunglasses Blue Mirror
For the performance and style you need on and off the water, Costa's Mainsail frames are your go-to pair for every outing and adventure. Built with the same high-quality materials and features you want everywhere from the beach to the big blue, Mainsail frames help keep excess light out with micro side shields and hooding, your frames in place with improved Hydrolite grips on the temples and help keep sweat and water out of your eyes with eyewire drains and channels. The Mainsail frames are your day-to-day sunglasses that stay stylish while relaxed on land and ready for anything while out on water.
For the performance and style you need on and off the water, Costa's Mainsail frames are your go-to pair for every outing and adventure. Built with the same high-quality materials and features you want everywhere from the beach to the big blue, Mainsail frames help keep excess light out with micro side shields and hooding, your frames in place with improved Hydrolite grips on the temples and help keep sweat and water out of your eyes with eyewire drains and channels. The Mainsail frames are your day-to-day sunglasses that stay stylish while relaxed on land and ready for anything while out on water.
For the performance and style you need on and off the water, Costa's Mainsail frames are your go-to pair for every outing and adventure. Built with the same high-quality materials and features you want everywhere from the beach to the big blue, Mainsail frames help keep excess light out with micro side shields and hooding, your frames in place with improved Hydrolite grips on the temples and help keep sweat and water out of your eyes with eyewire drains and channels. The Mainsail frames are your day-to-day sunglasses that stay stylish while relaxed on land and ready for anything while out on water.
For the performance and style you need on and off the water, Costa's Mainsail frames are your go-to pair for every outing and adventure. Built with the same high-quality materials and features you want everywhere from the beach to the big blue, Mainsail frames help keep excess light out with micro side shields and hooding, your frames in place with improved Hydrolite grips on the temples and help keep sweat and water out of your eyes with eyewire drains and channels. The Mainsail frames are your day-to-day sunglasses that stay stylish while relaxed on land and ready for anything while out on water.
in 31 offers
The lowest price for Men's Costa Mainsail Polarised Sunglasses Blue Mirror right now is $156.55 at Jomashop, compared across 17 retailers.
The all-time low was $127.00 on 12 Oct 2026 — today's price is 23% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 3 Nov 2026.
Last updated at 03/11/2026 20:06:27
Costa Del Mar Men's Mainsail Rectangular Sunglasses
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Costa Del Mar Mainsail Blue Mirror Polarized Polycarbonate Men's Sunglasses 6S9107 910705 55 in Blue / Grey
Delivery $28.60
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Free delivery between 12–16 Nov
Costa Del Mar Mainsail 6S9107 910701-55 Matte Black / Blue Mirror Polarised Lenses
Free delivery between 9–17 Nov
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Free delivery between Thu – Mon
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Free delivery between 11–13 Nov
Costa Del Mar Mainsail XL Men's Sunglasses 6S9131 - 913106 - 59
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Costa Mainsail XL | Velocity 21 Matte Black + Blue Mirror Polarised Glass 580G
Delivery between 9–12 Nov $9.95
| UV Protection Level | 100% UV Protection |
| Tint Color | Blue Mirror, Green Mirror |
| Tint Darkness | 10% light transmission (Green Mirror) |
| Lens Color | Blue Mirror, Green Mirror |
| Polarized | Yes |
Costa Del Mar Men's Mainsail Rectangular Sunglasses
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Costa Del Mar Mainsail Blue Mirror Polarized Polycarbonate Men's Sunglasses 6S9107 910705 55 in Blue / Grey
Delivery $28.60
Costa Mainsail Grey Polarised Sunglasses Grey One Size
Free delivery
COSTA Mainsail Gray Crystal - Man Sunglasses, Blue Mirror Lens
Free delivery
Mainsail XL
Free delivery between 12–16 Nov
| UV Protection Level | 100% UV Protection |
| Tint Color | Blue Mirror, Green Mirror |
| Tint Darkness | 10% light transmission (Green Mirror) |
| Lens Color | Blue Mirror, Green Mirror |
| Polarized | Yes |
