Men's Kenetrek Guide Ultra 400G Boot

Item No. 877706-ES-425-OP4

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Product Description


Sometimes you may need the stability of a plastic mountaineering boot, but if you've ever tried walking in them, you know they're uncomfortable and clumsy on mixed terrain.  That's why we made the Guide Ultra, a hybrid hunter that borrows some of our EverStep technology to give you an ultra-support system, double durability and the all-day comfort of a Kenetrek.  We've added our removable brace system to the uppers of our classic Guide Boot, and paired it with our one-piece, deep lug traction, super-stable K-73™ outsole.  Whether you're challenged with ankle issues or just need something stiffer that's waterproof and moves from snow to rocky terrain in total comfort - look no further.  Made in Italy.


  • 10" tall 2.8mm thick premium full grain leather uppers that utilize a one piece vamp construction with no seams down the tongue for abrasion resistance and waterproofness.
  • Reinforced double and triple stitching in high wear areas
  • 7mm nylon midsoles for extra support with heavy pack loads
  • Anti-corrosion boot hardware that swivels instead of breaking
  • Reinforced rubber sole guard for extra abrasion resistance
  • 400 gram Thinsulate™ insulation for warmth without the bulk
  • Windtex® waterproof breathable flexible membrane
  • Custom K-73™ outsoles provide excellent traction and durability
  • EverStep® removable nylon braces provide additional ankle support for heavy pack loads in rough terrain
  • Material: 2.8mm
  • Weight: 4.8lbs
  • Height: 10"
  • Sole: K-73™
  • Protection: Windtex®
  • Insulation Value: 400 Grm
  • Insulation Technology:Thinsulate
  • Waterproof Technology: Windtex®
  • Country of Origin: Italy

Customer Reviews

5.0 / 5.0
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Rated 5 out of 5
A fantastic boot!
Because of an injury to my right leg I have trouble twisting my ankle on all the rocks in Arizona and on mountain side hills. I purchased these boots specifically for the braces. I can say without any hesitation they are the most comfortable boot I have ever worn. On rocky mountainsides I no longer have any problems. These boots have exactly the support I was looking for.
October 20, 2020
Originally posted at
Rated 5 out of 5
Best boot I've ever owned!
I have serious arthritis in several metatarsal joints that was about to end my elk hunting. This boot got me back into the game of hiking the Colorado high-country.

Excellent boot, very comfortable, very supportive.

Thank you Kenetrek!
August 10, 2020
Originally posted at