ess glassesHello everyone thank you for checking out the Charlie Mike Project. Today will be reviewing the CDI sunglasses by ESS. The CDI is a black full frame sunglasses. Partial wrap around, rectangular shape with rubberized temple. Interchangeable lenses. Silver and black “ESS” logo.

Retail Price: $100. Replacement lenses $22 – $30 and $70 for polarized. Rx Inserts are available.

I have had the CDI glasses since January 2015. They are extremely comfortable and have become my every day glasses. The temple arms are very comfortable even when worn with a hat, helmet and under hearing protection. The temples are not flat enough to allow for a full seal with over the ear hearing protection, but are not uncomfortable. ESS states, the CDI exceeds U.S. MIL SPEC MIL-PRF-32432 & ANSI Z87.1-2010”. They are rugged, have performed well and as I said have become my daily wear sunglasses. They are even more comfortable than the ESS Rollbar.


The pair I tested came with a hard case, cleaning cloth, lens bag, retention strap and a set of clear and smoke lenses. The CDI is designed for a small to medium head. On hot days when I’m sweating the glasses do not have a fogging issue.


The CDI comes with interchangeable lenses and features a simple locking system. When the glasses are open the lens is locked in place. When the frame is folded the lens can be easily be removed. The CDI allowing the lens to be changes in seconds without having to pry and flex the frame or lens. As I said in my review for the ESS Rollbar, the interchangeable lenses are a major advantage. The CDI is a full frame sunglass that still allows for easy changing of lenses. If the lens or frame is damages, I can now simply order a new set from ESS. The lenses can be switched in less than a minute. The CDI is ideal for patrol. I can carry one set of glasses and simply swap lenses in seconds rather than spend extra money on a second pair of glasses for night shift. I save weight, space and money.


Compared to other brands of sunglasses I believe CDI is definitely worth the money. $100 is not as hard a hit and is cheaper than other sunglasses. The name brand quality and reliability that the ESS CDI provides are worth it. At $22 for a set of replacement lenses these glasses are well worth the investment. You can even get the frames is different colors for the same price.


Thanks for Reading,



Company Info: ESS,

Product: ESS CDI, 740-0296


ESS CDI Sunglasses













  • Low Cost
  • Easily replace parts
  • Lenses change quickly
  • Rx available


  • No Anti-fog coating

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