Verdict from +100 user reviews

10 reasons to buy

  • Many of the shoppers are persuaded to purchase the low-top at first sight due to its appealing style.
  • The majority of the wearers conclude that the Keen Mercer Lace II CNX is comfortable.
  • There are a handful of buyers who are delighted because the sneaker does not need a break-in period.
  • A decent number of users have advised that its toe box has ample wiggle room.
  • A person who has fibromyalgia which makes her very sensitive to pain states that she does not have issues while wearing the shoe.
  • According to a couple of purchasers, the mesh material on the upper allows the feet to breathe, making it a great option for a summer shoe.
  • Its arch support is appreciated by some buyers.
  • A few of the reviewers say that they purchased more than a pair because of the style and features of this sneaker by Keen.
  • Some of the wearers prefer the Indian teal color scheme as it matches well with jeans.
  • One user who uses the shoe for cycling is satisfied with it because it does not slide off the pedal.

2 reasons not to buy

  • Its insole is not removable, causing some of the purchasers to be slightly disappointed.
  • It is available in just a few colorway options.

Bottom line

Many are captivated by the design and features of the Keen Mercer Lace II CNX. While most praise its exterior construction, its support features are worth complimenting as well. 

Some attest to its comfort even after long hours of wearing the sneaker. These attributes entice buyers to purchase another pair. Despite the positives, the irremovable insole is a deterrent for a few to appreciate the shoe fully.

Tip: see the best sneakers.

Good to know

The low-top Keen Mercer Lace II CNX is available in US women’s sizes. Its lace-up enclosure offers a secure and customizable fit while its mesh and leather upper provides breathability and lightweight feel.

The Keen Mercer Lace II CNX’s design is the highlight of this low-top for the majority of its wearers. A diamond-pattern mesh with leather overlays makes up for a casual and sporty vibe. Maximize its appeal by pairing it with crop jeans or capris.  

CNX by Keen is defined by the brand as “addition by subtraction.” This tech cuts down the weight of CNX shoes by 10 oz while still providing comfort and support. The Cleansport NXT is embedded into the shoe’s insole, which minimizes odor.

The shoe company Keen has been in business since 2003, through the efforts of entrepreneur Martin Keen. Its footwear and accessories collection has garnered steady demand over the years, to the point that the Footwear News publication labeled Keen as a brand on the rise.

Mostly known as a women's brand, Keen has produced quality sandals and slip-on shoes with reasonable prices. These products have been well-received, especially by those who are looking for something new and different. One of the brand’s best-sellers, the Keen Mercer Lace II CNX, has been in circulation since its release in 2015 because of its positive remarks.

  • The approximate weight of this shoe is 196 grams.
  • Its rubber outsole is non-marking.
  • Color options include black, Indian teal and latte.


How KEEN Mercer Lace II CNX ranks compared to all other shoes
Bottom 13% sneakers
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Bottom 18% KEEN sneakers
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Bottom 12% low sneakers
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The current trend of KEEN Mercer Lace II CNX.
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Danny McLoughlin
Danny McLoughlin

Danny McLoughlin is a researcher for RunRepeat covering football, sneakers and running. After graduating with a degree in computer science from The University of Strathclyde, Danny makes sure never to miss a game of his beloved Glasgow Rangers or the Scotland national football team. He has been featured in prestigious publications such as The Washington Post, The Irish Times, Footwear News and the like.