The Winter Adventure Guide: Explore More in Season Four
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KEEN Revel IV Mid Polar Boot - Women's


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Revel IV Mid Polar Boot

For lovers of the deep frost of winter, the Keen Revel IV Mid Polar boot acts like a mobile armored cocoon with a built-in fireplace. Stepping into the tall-standing lace-up, you’ll be comforted by the KEEN.WARM insulation, which braces against negative 25-degree F conditions, for extreme travels to glistening landscapes. A thermal shield insole bounces back heat to your toes as the temps continue to cool. In mixed weather conditions or days when you are in and out of the house, the waterproof upper and sole keep out rain and snowmelt to maintain a cozy, dry interior compartment. And the outsole with KEEN.Polar Traction grips on snow and ice for added peace of mind as you explore your wintery views.

  • Heavily fortified deep-winter trekking and work boot
  • Waterproof membrane seals out moisture to keep you warm
  • Heat rated to well below freezing conditions
  • Thermal trapping insulation in midsoles for extra warmth
  • Cushioning EVA midsole for durability and pain free excursions
  • Enhanced grip on snow and ice with Keen.Polar Traction
  • Item #KENZ5CF

Upper Material
[face fabric] synthetic, [membrane] KEEN.DRY
Temperature Rating
Thermal Heat Shield
Compression-molded EVA
KEEN.Polar Traction
Recommended Use
casual, hiking
Manufacturer Warranty
1 year

Tech Specs

What do you think about this product?


>Rating: 1


I've used it once or twice and have initial impressions
True to size
Size Bought

Don't buy this boot. And definitely don't buy this boot from Backcountry. If you insist on buying it, go to REI as they will always replace your shoes when something goes wrong. And with this boot it will only take 2 hikes to have the first toggle fall off (that holds the laces). By the end of the next hike, another toggle will fall off. Now you can't lace up either of your boots, Backcountry can't help you and Keen won't help you. So you have spent almost $200 on a pair of boots that can't manage two small hikes. Pathetic. Don't waste your money. And don't buy Keen products. They will only fix your boots within 30 days of purchase. So you have to break them within 30 days of ORDERING them. Don't mind that it might take a week to get them, then three weeks for Backcountry to get back to you about how they can't help you and now suddenly you have to make sure they break within 5 minutes of receiving them, otherwise, sorry! We can't help you. Buy from REI. They always guarantee their products.

>Rating: 5

Fit perfectly

I've used it once or twice and have initial impressions
True to size
Size Bought
5` 2"
115 lbs

I have pretty wide, flat feet. That’s one reason why I went with Keen boots. These winter boots are so comfortable for my feet by giving me that extra room that I need. I normally wear 8.5 and they were true to size. I wore them in my first snow storm walk (Winter Storm Gail 2020) and they kept my feet warm and dry while walking in the snow around town. I would definitely recommend to those with wider feet! They also look great! I bought the red ones.

>Rating: 4

Can’t adjust for narrow feet

I returned this product before using it
True to size
Size Bought
5` 5"
130 lbs

I have pair of Keen snow boots that I love. Wanted to love these. They look great, they seem comfortable, but I couldn’t get them snug enough through the mid foot area to keep my feet from sliding around. Could maybe have corrected in the arch area with a footbed but the heel was too roomy to prevent slipping. For an average foot, they’d likely be great.