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Ridge Flex Mid WP Hiking Boot - Men's

3.9285714285714284 out of 5 stars
252 Reviews
Current price: $104.47 Original price: $189.95
45% off


Size Chart


Why We Like The Ridge Flex Mid WP Hiking Boot

The feature-laden Ridge Flex Waterproof Hiking Boot hosts the best of Keen's proprietary technology, aimed at taking on those rugged, wetter trails. Its durable waterproof upper fends off water while still remaining breathable, and the special mesh membrane only furthers that water resistance and airflow. All this, plus its stability-enhancing design and odor control, really make this boot a no-brainer.


  • Tough boot made for comfort and protection on wet treks
  • Keen.Bellows Flex upper blends breathability and durability
  • Keen.All-Terrain rubber outsole provides high-level grip
  • Keen.Dry membrane keeps water out and lets air in
  • Molded EVA footbed aids in cushioning your footfalls
  • Side stability shanks increase ankle support
  • Heel-capture system improves balance
  • Eco Anti-Odor help feet stay fresh
  • Item #KENZ5ET
Upper Material
Keen.Bellows Flex (waterproof leather, mesh, PFC-free DWR)
Keen.Dry membrane
Keen.All-Terrain (rubber, 5mm multi-directional lugs)
Claimed Weight
[single, size 9] 1lb 2oz
Manufacturer Warranty
1 year

Overall Rating

4 based on 252 ratings

Review Summary

1 Stars - 19 reviews
2 Stars - 29 reviews
3 Stars - 29 reviews
4 Stars - 49 reviews
5 Stars - 126 reviews

What do you think about this product?


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5 out of 5 stars

March 21, 2024


Really liked the comfort of this boot. Just no longer available in my size unfortunately.

Roopy S.

Originally reviewed on KEEN

5 out of 5 stars

January 30, 2024

Comfort right out of the box

We all wear KEEN boots on are crew, They are undoubtedly the best footwear out there. Especially when on sale, that’s a no brainer. My existing KEENS were a bit worn on the soul. Put the new ones on, I was able to work on a steep snowy slope w/o spikes. I called them Billy goat boots, they are truly Great! Thanks for asking! Jim

Jim R.

Originally reviewed on KEEN

1 out of 5 stars

January 23, 2024

Not waterproof

I am an avid Keen boot person. They are usually the only Boots I will buy and they last a long time, are great in all seasons, and are comfortable out of the box. These boots were very comfortable, and looked good, but they were supposed to be waterproof and were not at all. Even just walking in a little snow, just over the toe, and my feet were wet and cold within minutes. Too bad as I did like they way they looked, I returned them and went and got another pair of Keens I already have had and are trusted true.

Aaron N.

Originally reviewed on KEEN

2 out of 5 stars

October 8, 2023

No longer waterproof

Comfortable but no longer waterproof. After about 2 years of light use cutting my small 1000 sf lawn and shoveling my 50' driveway, the rubber split apart letting water in. I had high hopes for these and paid much more than I normally would in the hopes these would last. As with many products these days, they are only made to last a few years. Likely not going to by Keen again.

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Loren D.

Originally reviewed on KEEN

5 out of 5 stars

August 1, 2023

Favorite brand

[This review was collected as part of a promotion.] Feels super comfortable from first step. Rugged and great for scrambling iver boulders and lava.

Harry P.

Originally reviewed on KEEN

5 out of 5 stars

February 23, 2023

Great boots

This is a follow up on review that was a one star review, because they did not help me out in replacing boots that had a manufacturing defect on my first attempt with customer service. However, in the end they replaced the boots. My first pair of these boots is still awesome and they have lasted amazingly well considering how many miles I’ve put on them. Waterproof durable and comfortable. After the accepted replacement of the boots I tried to see if there was a way to take down my first review, but was told it cannot be taken down.

Wayne K.

Originally reviewed on KEEN

2 out of 5 stars

February 13, 2023

Coming apart at the seams

After owning a short time, and limited wear boot is coming apart where it joins the sole. Feet get soaked. Though a comfortable boot doesn’t hold up to minimal use. Would like to add a photo to show the issue, however not an option.

The B.

Originally reviewed on KEEN

5 out of 5 stars

February 6, 2023

Great waterproof boot.

So far these have been great. Love the wide toe box, and feel of the shoe. They have great traction in the mud up, and downhill. I have the targhee vent boot, and this fits similarly but waterproof.


Originally reviewed on KEEN

5 out of 5 stars

January 23, 2023

Great Boots

I have extremely flat feet and needs proper support. With that said these are very comfortable and well made. I'm impressed with these boots. I would definitely recommend them.


Originally reviewed on KEEN