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Your cart is empty.Never forget where your sunglasses are again with sunglass retainers from Costa Del Mar. Flexible and lightweight, these minimally designed retainers will ensure your frames stay exactly where you need them. Costa products sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Visit the Costa shop by clicking on the brand link above to shop the entire Costa assortment.
Bill Rayside
2025-09-04 10:17:29
Good product
TLPT
2025-08-07 15:03:48
I like these due to being soft and easy to pull my sunglasses down and have them right there and put the on and wear and not feeling them on my glasses. Can tighten strap if needed or leave loose if just wearing and want ease of raising and lowering.
Gennia siegrist
2025-07-23 11:20:06
Last forever, fit well you don't feel the plastic/rubber that holds on to your glasses,Still gotta keep the glass around you neck through can't be taking them off an leaving on a table... not responsible lol
R.C
2025-07-19 16:56:13
Hold your sunglasses or reading glasses in place so they won't get lost very comfortable will not irritate your skin..
Bo Friday
2025-07-10 15:28:14
I’ve had a lot of glasses straps. Always wear them kayaking or at the beach. This is by far the best in terms of reliability, toughness (only word I could think of at the moment),and ease of adjustment.
darrelltx
2025-07-03 18:32:46
Not much to get excited about here--it's a nerdstrap for your very expensive Costa sunglasses. Not being able to see well up close, I have to swap out my sunglasses for readers when tying on a new fly, but dropping a pair of sunglasses in the river can be a very expensive mistake. The Fathom Cord eliminates this potential tragedy.
Tyler Dix
2025-06-11 20:12:33
Costa Del Mar Fathom Cord sunglass straps are designed for anybody that wears sunglasses while being active. I purchased these straps because I don’t like how thicker sunglass straps like the Costa Keeper Neck Strap or Costa Neoprene Classic Retainer look on small framed glasses like aviators. The Fathom Cord definitely does what it is supposed to and comes at a good price and a range of colors, however it is not the most comfortable sunglass strap available.The glasses do work as advertised when it comes to keeping your glasses securely on your head while being active and allow you to hang them around your neck while not wearing them rather than stretching them out on top of your head. The only issue wearers may experience with functionality occurs when people sweat while wearing the straps. Occasionally, the strap slips off of the end of your glasses and can cause problems if you don’t notice that the strap has fallen off, such as losing the strap or dropping your glasses.At $7.99 the Fathom Cord is fairly priced compared to other straps like the Keeper Neck Strap and Neoprene Classic Retainer which range from $5.00 to $15.00. These are very reasonable prices for Costa Del Mar products which are some of the most respected products in the industry.Another positive aspect is the range of colors that are available. The Fathom Cord comes in black, blue, orange, and coral which makes them a great option if you want a more conservative color or if you want to stand out a little more with orange or coral. The range of colors also makes them work for both men and women with options that both groups would like wearing.The only major draw back for the Fathom Cord would be overall comfort. Since the frames slide through a hole on the straps rather than the straps covering the whole end of the frame, they tend to stick out further on the frame and cause discomfort behind your ears. Being made of rubber also causes some discomfort because they are more abrasive and stick on your ear as opposed to softer materia.Overall the Costa Fathom Cord does its job as advertised with only a few flaws and looks good as well. Despite causing some discomfort at times, at $7.99 they are worth taking the risk on as maybe they will fit your head differently. Hopefully this helps with any questions you had about the Fathom Cords.
RC
2025-05-30 17:02:58
Instead of sliding a thick tube of rubber over the ear piece, the connection is tight but comfortable.
rubiel estrada vera
2025-05-17 18:24:51
Despues de no mas de 2 meses el.plastico que sostiene el lente se rompio de ambos lados , es de un material muy delicado, mala calidad por el precio que se paga, tengo uno 10 veces mas barato que me ha durado mas de 2 añosNo lo recomiendo para nada.
David villarreal
2025-04-16 17:39:08
Practico
Rick keele
2025-04-15 10:53:40
Feel good and secure fit on to glasses, would by again
José Antonio Gutiérrez Jiménez
2025-04-03 10:38:03
Excelente producto, muy buen precio y calidad.
Len
2025-02-17 11:28:18
Disappointed. I have other Costa Del Mar strings that slip over the arms of my glasses. That’s what I thought I was ordering but the pictures weren’t clear enough and instead these have holes in the string that go over the arms, and the CDM strings constantly fall off. Useless to me for these glasses as there is no bump at the end of the arm to hold them on
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