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The Mercury TF Alpine Touring Boot will drive any modern ski with power and precision, and with Tech fittings at the toe, this boot plays nice with your Tech bindings and it ascends with the sort of efficiency that may lead you to believe that you're riding an elevator to the summit. 

A touring boot is nothing with a capability to flex freely in walk mode, and offer rigidity in ski mode, and the Mercury accomplishes both handily. The shell benefits from the rigidity and weight savings of fiberglass reinforced TPU at the heel, and the flexibility of molded pebax from the front of the cuff forward. For skiers who can crush a standard boot tongue easily, the Mercury offers a removable Booster tongue with improves forward stiffness quickly and easily. A quick flip of a lever frees the cuff to rotation up to 60 degrees (total range, front to back) to take the stress off your shins when you're striding along on a skin track or so you can freely move to achieve the perfect footing on a knife ridge or tight boot pack. 

Sure, the Mercury TF performs, but it doesn't leave comfort by the wayside as a result. The One Vulcan liner boasts a roomy 102mm of width, it can be thermally molded to fit the exact contour of your foot, and the internal fabric feels smooth and warm. The instep area was kept to a lower volume to provide a more precise fit for a variety of foot shapes and sizes, and when coupled with the instep buckle that's built into the shell, this low volume design ensures a responsive and comfortable fit.

Just like its big brother (the Vulcan TF), the Mercury TF is compatible with Tech bindings and all types of alpine touring bindings. Aggressive outsole lugs give you traction when you're out of your skis, and Dynafit's engineers included a few extra-rigid lugs to prevent flex or movement at the toe or heel when the Mercury is engaged in an alpine touring binding. Dynafit used carbon fiber components to make the Vulcan TF lighter than this boot, the Mercury TF, but the Mercury is a more affordable way to get almost all the same technology and performance. For backcountry skiers who use Tech bindings and want to push a pair of fat, burly skis hard, the Mercury TF is an efficient and comfortable way to get to the summit and a powerful way to get rowdy on the way back down.

  • Grilamid shell and fiberglass-reinforced Grilamid cuff with Pebax
  • Thermomoldable TF liner with 102mm width
  • Ultra-Lock-System buckles with micro adjustment
  • Ski/walk mode lever at back cuff
  • 60 degree cuff rotation with 15-18 degree lean angle
  • Dynafit Pro Lug sole with TPU lugs

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Review Summary
3 4
1 3
0 2
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Dynafit Mercury TF Alpine Touring Boot

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Here's what others have to say...

Unanswered Question

I have a 25.5 Dynafit Titan. Is the Mercury...

Posted on

I have a 25.5 Dynafit Titan. Is the Mercury the same shell fit?
Also, how does the Titan compare to the Mercury and Vulcan in stiffness and downhill performance. Trying to decide which one to go with?

When will Dynafit Mercury TF be available...

Posted on

When will Dynafit Mercury TF be available again?

Responded on

We do not have any ordered to come in at any time soon, but we should be getting more in for next winter season sometime in the Fall.

When will Dynafit Mercury TF be available...

Posted on

When will Dynafit Mercury TF be available again?

Responded on

It looks like we should have a few pairs trickling in within the next few weeks.

5 5

Stoked on this boot

  • Gender: Male
  • Familiarity: I've used it several times

This is my first touring boot, so perhaps a different review to others who are comparing with other touring boots. What I can say is that I have, until this boot, being skiing (and touring) in a Full Tilt Seth Morrison pro - the stiffest boot in the Full Tilt line-up. Although I'm still in love with my Full Tilt's, I wanted a boot with walk mode but was freaked out that no other touring boot could offer nearly the same downhill performance as my Full Tilts. Not having the cash for the Vulcan, I settled for the Mercury, and am totally stoked on this boot! I've had 3 days touring and one resort day in the boot so far and am totally blown away by how burly and stiff this boot is, while having an amazing walk mode. Hard to compare flex to a Full Tilt which has a super progressive flex, but this comes really close. I drive a 190 Elan Boomerang (120mm underfoot) with Marker Dukes and like to ski fast and drop cliffs. This boot is totally up to the task, including front-side. Highly recommend!

I currently have zzero and the tlt5 pro....

Posted on

I currently have zzero and the tlt5 pro. tlt5 pro is too narrow for my foot. Love the boot but it does not love my foot.

Is Mercury wider? Also, is Mercury similar boot to zero? The reason I want it is because I love the touring confort of tlt5 with tongue removed. But it kinda sounds like the Mercury is a VERY stiff boot. I'd like something similar to zzero or tlt5 performance.

Responded on

This boot will be a great option for you. The fit is as if dynafit mated the zzero and the TLT lasts -- I also struggle with the narrow forefoot on the TLT, and these mercurys (once thermofit) are significantly wider. This boot is certainly much stiffer than both the zzero and the TLT with the tongues in...with the tongues removed, it's a similar stiffness to the old zzero green machines. Where the mercury really excels over the zzero is the cuff flex (similar to the TLT)...with the tongue out, these things tour so well!

Responded on

Thanks for the answer Josh. I think I will get those boots next year.

5 5

Killer Free Tour Boot

Can handle gnarly fast and hard charging due to the solid flex, especially with the removable tongue, which when removed creates a great uphill boot. Definitely get a custom footbed in these boots if you have instep pressure or feel pain on the arch, pretty standard advice for any boot. Mold the liner, use the laces to lock down your heal, this will significantly help avoid unnecessary rubbing on the heal while skinning up. Kinda tough to get in and out of do to the wide range of motion when in walk mode. All in all, I've been impressed with the boot. Flex got softer after putting in 10+ days, kind of a bummer. I'm stoked on 'em though, and once you get a pair and take the time to get them dialed in, you will be too!

I currently have a pair of Dynafit ZZero...

Posted on

I currently have a pair of Dynafit ZZero 4 PX-TF Alpine Touring Boot in size 28. Is the fit of this boot the same? In other words, can I just buy a size 28 and be happy?

I currently have a pair of  Dynafit ZZero...
Responded on

Hi zegakster: Dynafit rep here. The last shape has changed slightly (@1-2mm wider in forefoot), but you will likely be in the same mondopoint size.

Responded on

Having moved from a zzero to a mercury and kept the same mondopoint, I agree with sandy -- if you like the zzero fit, you will be able to get as good or better fit out of the same size mercury with a bit of thermomolding.

4 5

A new generation of dynafit boots

  • Gender: Male
  • Familiarity: I've used it several times

4 days and 24,000 vertical feet later, I feel like I have a pretty good initial impression of this boot. Comfortable, but not a slipper. Light, but not a TLT. Remarkably stiff. Not a game changer, necesarily, but a great boot nonetheless.

1. This boot is so much stiffer than you might imagine. I'm 160lbs and I like to charge and push a stiff boot. I grew up ski racing on the east coast and skied stiffer skis at age 13 then I do now. That being said, these boots still surprised me with how solid they are. I had waited and waited for the Vulcan to become available and now I'm glad that I broke down and bought the Merc instead. I'll admit it: I think the Vulcan would be too stiff for me. During the rediculous powder of the past week, I found myself skiing without the tongues and really did not miss them. In more variable conditions, the tongues made the boot significantly better.
2. The removable tongue is a nice, if quirky, feature and certainly makes the touring mode significantly better. Removing the tongue also makes the entire boot less tight (regardless of the buckle tension) and more comfortable.
3. A much improved liner from dynafit. They used to shave boot weight via stupid-thin liners, but this generation of boots has a well-made liner.
4. Tons of cuff mobility -- a touring dream boot!

1. The removable tongue does make transitions a bit more cumbersome. Just one more thing to do!
2. A relatively narrow forefoot last. I have relatively low-volume feet, but still feel just a touch squeezed in these -- definitely not for those of you with wider feet! I haven't baked my liners yet and I hope that I can get a bit of width that way.
3. These are a light boot relative to their performance, but a bit heavier than the Maestrale RS (and with 1 less buckle). I'd like to see Dynafit bring the weight down a bit more.

First year back on Alpine/AT and trying...

Posted on

First year back on Alpine/AT and trying to decide which boot would be more appropriate between the Vulcan's and Mercury. Me: 43 yr old male, 5'8", 150 lbs and used to tour with T-race/NTN/beefy fat ski's, with a preference for fast, fall-line/GS turns and will sacrifice 'some' weight for performance. I have the cash saved up for either, but am more concerned with getting the right match for my weight and style. Any suggestions?

Best Answer Responded on

Tough call. It may come down to personal preference on how stiff a boot you want. The weight is the same (w/in 10 gr.) between the boots. The Vulcan is a full alpine-race-style 130+ stiffness. If that's what you love, go there. The Mercury is every bit as bad-ass, just a touch less rigid. Still a VERY solid boot. Enjoy either one!

Responded on

Thanks Sandy for the quick reply. I'm guessing either one will seem burl next to the T-Races I've been skiing up until now!

The last bullet point of info says, "TPU...

Posted on

The last bullet point of info says, "TPU lugs eliminate rubber-lug play when you step into traditional freeride bindings," does this mean I could use this boot with the Marker Griffon Binding? Thanks!

Responded on

The TPU lugs increase torsional rigidity in frame-style AT bindings (Marker Duke/Baron, Atomic Tracker, etc.). The sole on the Mercury is an AT sole not suited for alpine DIN bindings. The Griffon would not be a good idea.

5 5

All the boot most mortals will need!

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

I will preface this with saying I skied these for one day and I haven't skied alpine since 1994... With that I drove the heck out of a pair of Squad 7's all day in this boot on soft to super hardpack and can't even imagine why anyone would need a stiffer boot! I work at a shop and have tried on this boot a lot and the walk mode is easily the best on the market right now. Not to mention these boots are SO light. If you are looking for a hard charging boot with the best walk mode on the planet, and don't have $1K for the Vulcan... don't dismay this boot delivers!!! Oh yea the liners are almost as good as intuitions to boot!!!

Responded on

Hank....I'm in the same boat as you...been skiing tele for 20 years and this is my 1st yr back on alpine. Trying to decide between the Vulcan's and Mercury. I'm a 43 yr old male, 5'8", 150 lbs and used to tour with T-race/NTN/beefy fat ski's, with a preference for fast, fall-line/GS turns. I have the cash for Vulcans, but wondering if I really need that boot at my weight. Sounds like the Mercury could be the better fit. Do you have any carpet comparison or any advice that might help out? No place around where I live to check em out