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The North Face held nothing back when it designed the Verto S6K Glacier GTX Boot. This is a serious mountaineering boot built for the harshest environments on Earth. With that in mind, The North Face gave the Glacier S6K GTX the best of its extreme climate technology.

  • Guaranteed waterproof breathable Gore-Tex membrane protects your feet from the elements in any weather condition
  • Primaloft synthetic insulation locks in heat
  • Cradle technology offers maximum support without hindering foot or ankle flexibility
  • Smartlite polyurethane mudguard adds durability to extend boot life
  • Northotic Pro+ premium EVA footbed with gel insert absorbs shock and vibration to reduce fatigue
  • Internal crampon spoiler adds power and stability when using crampons
  • Four part midsole specifically designed to reduce fatigue on long treks without sacrificing feel, support, or control
  • BASF Agile polyurethane and EVA heel cushioning reduces shock
  • TPU shank for added protection
  • Vibram Mulaz outsole for unparalleled traction on soil, rock, and ice

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The North Face Verto S6K Glacier GTX Boot - Men's

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5 5

Very light, very comfortable

  • Familiarity: I've used it several times
  • Fit: True to size
  • Height: 6' 0"
    Weight: 190 lbs
    Size Purchased: 11.5

I bought these a couple of weeks ahead of a trip up Mt. Daniel in Washington, about 5,000' gain and 17 mile round-trip. I had great plans to break them in a with a couple of short hikes but work got in the way and I arrived at the trailhead having put about a mile on them walking around the office (your co-workers will judge you). Despite that, I made the two day trip with only one very small hot spot forming and they were comfortable in everything from the 80 degree approach to the snow field traverse in crampons to the fairly technical rock scramble.

I bought them a full size bigger than my regular show size and with liner socks and regular socks they were a perfect fit. Extremely light too, essentially weighing no significant amount more than my standard hiking boots. The only downside is they don't breathe quite as well as my summer hiking boots, however they are EXTREMELY warm so this is to be expected.

Essentially these restored my faith in The North Face that they can make more than a t-shirt.

My hiking shoes are US size 14, are those boots going to fit me? Are they good for Aconcagua?

Best Answer

Mountaineering in high altitude in the Andes require double boots or 1,5 boots (above 5500m)
These are too lightweight for Aconcagua, your feet will get cold once you stop moving above that altitude...
I have a similar model from La Sportiva and use it for glacier approaches of rock routes in good weather conditions in Patagonia in the summer...

what crampon's should I buy with these?? need to know ASAP!

Have tried these boots out and they fit my feet better than any other boot! However I am after a stiff B3 boot for good support, but noticed a bit of flex in the sole (as much as my previous B2 boots). This is a bit weird seeing as it is fitted with the front and back welts like a B3 boot. It's not loads but it is there - was wondering if anyone else had had issues with crampons popping off the boots or indeed if they are suitable to use with C3 crampons (i.e. I want to use the with my grivel g14s).


I have them with BD Sabretooths with the Pro attachment, and have a bit of an issue with the toe welt due to how narrow it is in comparison to say the La Sportiva Nepal Evo. There is a bit of pivot of the toe welt in the crampon, but I haven't released. Still, I would prefer a more secure fit.

4 5

Great Boots!

I recently purchased a pair of these for a Rainier climb (August) and thought they were incredibly comfortable and required minimal break in time. To me they fit small; I usually wear a size 9 shoe and wore a 10 in these boots but would have been better off with a 10.5 as I experienced a lot of discomfort on the descent. (Not the fault of the boots).
I wore a thin wool sock as I usually do but found my feet a bit chilled. I was disappointed by this as the temperatures were in the 30s and 40s during the climb. I think my feet would have been warmer in a larger boot.
I've experienced many problems with LaSportiva (both hard shell and Evos) with the design of the boot's tongue. There is a break between the area of the foot and the shin and I have had horrible abrasion problems because of that. The North Face boots have a very comfortable tongue that is a continuous piece.
Overall, I think it is an excellent boot...just not sure about the temperature issue--how much was me and how much was the boot's insulation.

5 5

Light and solid

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size

I did what you should never do - bought these a couple of hours before a climb into pretty difficult conditions. I'm really glad I did though.

We climbed up into knee to hip high fresh powder snow. Breaking trail and kicking steps was not a problem. Due to the worse than expected conditions we never made it to the peak but my feet were never a concern. I had solid footing and could manoeuvre well, and the S6K's never gave me any blisters or painful spots around the ankles or shins.

I have narrow feet. They have a tight locking heel and a little bit wider toe box that I think works well for narrow to normal feet. I think if you have wide feet these will not work for you.

I hopefully get to test these more this winter but my initial impression is that I'm very very glad I bought these. Light, and comfortable, but solid boots with a full shank that take any crampons if needed.

Update - climbing a mix of stomped down/icy snow and fresh powder yesterday confirmed my previous impressions.

I had packed but left my crampons and was debating climbing up as the trail started steep and icy. The hard sole, front crampon well and relatively sharp side edge of the Verto S6K, allowed me to kick hard enough to get just that little edge I needed. Performed very well and although it was a long hard climb, these were really comfortable till the end.

5 5

Great Boot!

  • Familiarity: I've used it once or twice and have initial impressions

This is my first glacier boot so I don't have a lot to compare it to. However, from what I know this seems far too comfortable to be real. I spent the last weekend exploring Mt. Shasta and practicing various mountaineering techniques in them without even breaking them in first.
Decided to do the approach to base camp in them and had no problems whatsoever, I think they're even more comfortable than my hiking boots. They performed flawlessly with crampons on snowy slopes and kept my feet nice and warm in the high winds and sleet we had.


Yes, I'm a dork.
Yes, that is a Christmas tree in the background.
That said, I hope this video helps.

Pros: COMFORT, warmth, light weight, hikeability, comfort with crampons on

Cons: Needs harder PVC up front, need a kick-plate type of material on the inside of the ankles.

These boots can handle anything in the lower 48 and I wouldn't hesitate at all to use them on mountains like Orizaba or Aconcagua.

Thank you very much for taking the time to do this review. It has saved me so much time. I was searching for a boot that would keep my feet warm in sub-zero temps. Your review is thorough and very easy to watch without all the fluff. Unfortunately the boot may not work for me as I have a wider foot and I was reading that these cater to those with narrow feet, but I'm still going to go into the city and try these on, hoping they work. That would be awesome to not have my toes go numb when I'm out hiking in the cold. Thank you, Brett.

Footwear is an individual thing. My feet are what I would call an average size 10 in foot and toe length and average in width. For my foot, TNF and Asolo's seem to fit me the best if I go up 1/2 size. I always advise people to go and try on as many pairs as possible and to never look at the brand or price tag until you find what fits you best.



15 miles in two days right out of the box! Love'n them! 7 mile round trip to Chasm Lake Trail by Longs Peak, CO.

Best advice on footware is, fit fit fit! Try on as many brands, styles and price ranges as you can! The proper fit is the most important aspect of ANY shoe/boot!
If there is a store in your area that specializes in footware, and I'm NOT talking about Footlocker, have them size you. Choose a boot based on fit, not on looks, price or reviews. A perfect fitting boot will allow you to travel farther and the boot to last longer. Too tight and it will restrict bloodflow and you could lose toes. Too loose and you will rub holes in your heels and ankles.

North Star ridge Colorado 1-5-13

North Star ridge Colorado 1-5-13

First trip out was 8 miles. NO rubbing or overheating. Had on smartwool socks.

North Star ridge Colorado 1-5-13

North Star ridge Colorado 1-5-13

Roughly 5 degrees out at 13,400'

i need to know if this boots are rigid or soft to walk long distances in a place like your photo...
thank you for help me

They are rigid. They work well on ice and snow, in crampons and snow shoes, but I wouldn't walk a long distance down a sidewalk with them. IMO I've never had a problem hiking in them.

5 5

Out of the box impression.

  • Familiarity: I've used it once or twice and have initial impressions

Dam light comparitively speaking to other brands. The heel is a perfect fit for my foot. Construction is as good as any other $475+ boot on the market.
I did buy these in a 1/2 size bigger. They are true to size when wearing a normal athletic sock. I wear thick smartwool mountaineering socks and in order to have a comfortable amount of room without being too tight I went bigger. I'll do the best I can to test these here in Colorado and write an update in late March.

Out of the box impression.

what kind of boot is this? obviously its...

what kind of boot is this? obviously its a mountaineering boot. but does the 6K in "S6K" imply 6000 meters, and can the boot withstand really cold temps like -20F or something. or is it only suitable for lower terrain.

I've used the The North Face Verbera Backpacker GTX Boot for the last two winters here in Colorado in temp below -20. They worked well with a premium pair of smartwool socks. But if I were to be out more than 24hrs I would go with the S4K or S6K. IMO

how have you used them the last 2 seasons? havent those been out for only a year??

Hey keegs, I think you misread Brett's answer. He said he had used another North Face boot (The North Face Verbera Backpacker GTX Boot) for the past 2 seasons, not the Verto.

How's the sizing on these?

How's the sizing on these?

True to size - Im a 13, and that size fits perfectly with a thick sock.

Best Answer

I tried a pair to these on at TNF store and they are a europeen fit. "For me" I go 1/2 size up. My normal running shoes and 'hiking' boots are a size 10. My North Face Verbera Backpacker GTX Boot, I use is a size 10 1/2. I strongly suggest you find a retailer that carries these type of boots and try them on with the socks you plan on wearing. I notice that most all "mountaineering" boots run on the small narrow side.... IMO

Anyone know how much these bad boys weigh?...

Anyone know how much these bad boys weigh? are they comparable to the LaSportiva Nepal EVO GTX>

Hey tele.savalas,

Thanks for the question. The weight of The North Face Verto S6K Glacier GTX Boot is 1 pound, 15.4 ounces per boot. The La Sportiva Nepal boots weigh in at 2 pounds 1 ounce per boot so the North Face Verto is slightly lighter.

I weighed my size 10 1/2 on the digital kitchen scale and each boot came in at 2lbs 2 1/4oz. That is after a hike so there may be an ounce or so of moisture in them. Comparing my S6K's to other size 10 1/2 boots, the S6K's feel lighter.

Best Answer

Mine weigh 2058gr for the pair (in size 11,5). They feel great for a full on mountaineering boot.