Our verdict

85
Great!

At face value, the Mercury IV Mid GTX from Mammut might seem like a beast of a boot that requires time to tame. In reality, however, it's a pair that boasts charming suppleness right from the off, with extraordinary hiking performance to match. And while it's not the most agreeable price-wise, its brilliance in shifting outdoor conditions alone gives it a must-have status.

Pros

  • Stupendously tenacious
  • Mighty comfy all over
  • Gives a precise fit
  • Weatherproof
  • No break-in required
  • Roomy toe box
  • Easy on and off
  • Quite durable

Cons

  • Pricier than most
  • A bright spot in the realm of comfort

Who should buy the Mammut Mercury IV Mid GTX

The Mercury IV Mid Mid GTX is the for-him counterpart of the Mammut Nova IV Mid GTX. No break-in required:

  • On your trail adventures, you encounter various terrain types, including snow.
  • You want something glove-like but with extra space around the forefoot.
  • Cross country shoes Add a product.

Mammut Mercury IV Mid GTX buy

Who should not buy it

If you're easily deterred by priciness in hiking footwear, the Mercury IV Mid GTX might not be for you. In its place, buy the cheaper Salomon X Ultra 4 Mid GTX, which retails at $165 a pair. There's also the KEEN Pyrenees, whose outsole hasn't been reported to collect mud and debris as you go.

Mammut Mercury IV Mid GTX no

The Mercury IV Mid GTX's boss-like grip

Numerous adventurers are astonished by the featured boot's incredible tenacity. "The sole has good grip on icy roads and compact snow," says one of them. Another reviewer says that it "holds up well on mud and uneven ground."

Mammut Mercury IV Mid GTX grip

That said, its Vibram outsole gets caked with mud too easily. A commenter says that you'll get "tons of soil in your hall" if you don't take heed of this.

Mammut Mercury IV Mid GTX mud

A bright spot in the realm of comfort

The Mammut Mercury IV Mid GTX is fantastically comfortable, and many trail-goers are all for it. One of them says that wearing it in the city is great because it's "super comfortable and warm." "As far as comfort is concerned, I'm also impressed," says another. Yet one more individual says that it has an "excellent feel."

Mammut Mercury IV Mid GTX comf

A bright spot in the realm of comfort

Quite a number of hikers are impressed with the spot-on fit of the Mercury IV Mid GTX. Check out these remarks for proof:

  • "The fit was perfect from the get-go."
  • "Adapts perfectly to the foot!"
  • "Finally, a shoe that fits right away."

Mammut Mercury IV Mid GTX fit

On the plus side, the shoe's forefoot is spacious enough for the toes to spread out naturally. "Nothing presses there," says a non-professional tester.

Mammut Mercury IV Mid GTX toe

You want something glove-like but with extra space around the forefoot

Dozens of reviewers praise the Mammut Mercury IV Mid GTX for being a doozy in unpredictable weather. One among them says that it's "absolutely waterproof in damp and wet meadows." Another adventurer says that it's "warm for winter days." Yet one more commenter says, "it's not affected by water at all."

Mammut Mercury IV Mid GTX water

In mint condition for months

One of the things that make the Mammut Mercury IV Mid GTX exemplary is its longevity. An experienced trail-goer says, "they look just as good after 12 days on rocky slopes as they did when I opened the box."

Mammut Mercury IV Mid GTX dura

Mercury IV Mid GTX vs. Your wallet

This boot is rather expensive for a mid-top day hiker (yes, even with its GTX waterproofing factored in). Its 225-dollar asking price towers over the average price of hiking boots, which is $195.