Keen Men's Revel IV High Polar Waterproof Boot

Great fit, insulated with 400g Thinsulate, and has an excellent gripping sole. This is my first experience with Keen products, and I wonder why I didn't try them on before!

The fit is great. I usually wear 9.5 or 10 US in boots and the 10 US is great, plenty space for socks and toes. I use to wear mid hiking boots for my winter hikes but needed warmer boots as I aged. 

Sole has great traction, since it is not Vibram but Keen's own brand. 

I woud have given them 5 stars, but it misses a locking eyelid for the heel (heel lock).

I don't know who tests the company boots (Keen or other brands), but Keen are way to generous with the -40°c rating! Been using them at -25°c, with a medium Smartwool hiking pair of socks, and let me tell you that is the real world upper limit.

I tried my Hillsound Ultra crampons with them and it was a perfect fit.

The leather changed color on the tongue, and the fabric started to fray a little where my gaiters' hook hold to the laces.

They are waterproof.

My feet don't sweat at all whatever sock I use.

Did not use my snowshoes with them yet, so I will keep you updated.

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