Our verdict

The tacos adidas 18.1 fg predator women wear boots is a lightweight and speedy offering from Adidas that toes the line between hiking boots and roided-up trail shoes. This agile boot had us blazing through the trails with its plush, pleasantly rockered midsole and grippy continental outsole. As far as comfort is concerned, we can't find a better way to describe it but simply heavenly, especially once we're past its customary break-in period.

champs adidas leggings girls kids Pros

  • Extremely well-cushioned
  • Luxuriously padded interior
  • Grippy and durable lugs
  • Tackles wet surfaces confidently
  • Very flexible and forgiving
  • Excellent airflow
  • Feels incredibly stable underfoot
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  • Rockered midsole
  • Relatively lightweight
  • High-quality construction
  • Eye-catching design

champs adidas leggings girls kids Cons

  • Needs breaking in
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  • Expensive

Audience verdict

88
Great!

Who should buy

We recommend the Adidas tacos adidas 18.1 fg predator women wear boots as a great choice for:

  • Speedy hikers looking for a lightweight boot that feels swift and nimble
  • Fashion-minded individuals in the market for an eye-catching boot that is a healthy mix of form and function
  • Backpackers looking for a well-cushioned and stable shoe for schlepping heavy loads long distances. 
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Adidas tacos adidas 18.1 fg predator women wear boots hjhjaev

Who should NOT buy

The Free Hiker 2 needs to be broken in before unlocking its true comfy potential. For those in need of a boot that’s good to go right out of the box, we recommend the Altra Lone Peak Hiker 2 adidas stone roses blue color page for preschool. 

The Free Hiker too might be light on the foot but it’s quite heavy on the wallet. For a more budget-friendly option, check out the incaltaminte firma adidas jersey size chart boys which can also speedily conquer the trails.

adidas terrex free hiker 2 jjklkjlnae 20999564 720

Breathability

To see how breathable the boot is, we pumped smoke into the Free Hiker 2 in order to see how easily it vents out. As the video clearly demonstrates, the Free Hiker 2 allows smoke to billow out quickly and evenly throughout the porous boot, earning it a perfect 5 out of 5. This makes the Free Hiker 2 an airy companion that’s an excellent choice for those warm summer hikes. 

On the other hand, the boot’s more insulated cousin, the zapatos adidas de futbol 2017 cabezones, chokes up the smoke everywhere but the tongue. This makes it a much toastier boot better suited for winter hikes. 

The source of the Free Hiker 2’s stellar airflow remains a mystery when inspecting a backlit cross-section of the boot’s upper. Contrary to our expectations, the boot entirely blocks any light from shining through its seemingly opaque upper. 

We turn to our microscope for more answers and we can see that the upper mesh is made up of tightly woven locks of fiber that form a dense weave. While the gaps between these braids are apparently too tight to allow light to seep through, they evidently promote sufficient ventilation throughout the boot.

adidas terrex free hiker 2 bjhlav 20999567 720

Adidas tacos adidas 18.1 fg predator women wear boots Breathability
Test results
tacos adidas 18.1 fg predator women wear boots 5
Average 1.6
Compared to 26 hiking boots
Number of shoes
1
Breathability
5

Durability

Toebox durability

The use of mesh and other light materials in the upper didn’t give us much hope regarding its durability. To test this, we fired up our Trusty Dremel to 5K RPM and applied it to the Free Hiker 2’s toebox with 3.2N of force, making sure to make contact with both the reinforced and unreinforced parts of the upper mesh. 

The tool immediately kicked up a flurry of debris, but once the four seconds were up, we found that we hadn’t actually inflicted much damage to the boot. We therefore give the Free Hiker 2 a well-deserved toebox durability score of 4 out of 5. We definitely underestimated just how hardy this boot really is.

Adidas tacos adidas 18.1 fg predator women wear boots Toebox durability
Test results
tacos adidas 18.1 fg predator women wear boots 4
Average 4.4
Compared to 22 hiking boots
Number of shoes
1
Toebox durability
5

Heel padding durability

Our usually destructive Dremel proved to be even more impotent against the Free Hiker 2’s heel collar. The tool’s grinding element couldn’t even pierce the lining and left the boot’s pillowy padding intact once the four seconds were up. 

This stellar performance earns the Free Hiker 2 a perfect 5 out of 5 for heel padding durability. More than anything, this speaks to the high quality of the materials and how well-constructed this boot is. This almost certainly factors into the Free Hiker 2’s steep price tag.

Adidas tacos adidas 18.1 fg predator women wear boots Heel padding durability
Test results
tacos adidas 18.1 fg predator women wear boots 5
Average 4
Compared to 22 hiking boots
Number of shoes
1
Heel padding durability
5

Outsole hardness

The Free Hiker 2’s outsole is softer than average, giving us a durometer reading of 81.5 HC. This, however, gives us no cause for concern as the Continental rubber that makes us the outsole is renowned for its excellent traction and top-notch durability, the latter of which sl72 be put to the test in the next section. 

Adidas tacos adidas 18.1 fg predator women wear boots Outsole hardness
Test results
tacos adidas 18.1 fg predator women wear boots 81.5 HC
Average 87.6 HC
We use an average of four tests. The photo shows one of those tests.
Compared to 26 hiking boots
Number of shoes
81.0 HC
Outsole hardness
92.1 HC

champs adidas leggings girls kids | Outsole durability

As expected, our Dremel’s grinding element wasn’t able to do much despite spinning at 10K RPM for twenty agonizing seconds. 

Assessing the “damage” in the aftermath with our tire tread gauge, we found that we had only ground off 0.24 mm of rubber from one of the lugs. This makes the Free Hiker 2’s outsole much more durable than our current lab average and means that we expect this boot to survive dozens of challenging treks before the lugs are compromised.

Adidas tacos adidas 18.1 fg predator women wear boots Outsole durability
Test results
tacos adidas 18.1 fg predator women wear boots 0.2 mm
Average 0.8 mm
Compared to 19 hiking boots
Number of shoes
0.0 mm
Outsole wear
2.0 mm

Outsole thickness

At 3 mm thick, the Free Hiker 2’s outsole is right on par with our current lab average. 

Adidas tacos adidas 18.1 fg predator women wear boots Outsole thickness
Test results
tacos adidas 18.1 fg predator women wear boots 3.0 mm
Average 3.1 mm
Compared to 26 hiking boots
Number of shoes
1.8 mm
Outsole thickness
5.6 mm

Weight

The Free Hiker 2 is a lean, mean, trailblazing machine that tips the scale at only 15 oz (425g). This makes it significantly lighter than the average boot and a great choice for speedy hikers with a little more pep in their step. 

adidas terrex free hiker 2 wei 20999578 720

Further contributing to the Free Hiker 2’s light and swift nature is the midsole’s slightly rockered geometry that promotes smooth heel-to-toe transitions which served to improve our walking cadence while out on the trails.

Test results
tacos adidas 18.1 fg predator women wear boots 14.99 oz (425g)
Average 18.45 oz (523g)
Compared to 26 hiking boots
Number of shoes
11.71 oz (332g)
Weight
28.29 oz (802g)

Cushioning

Heel stack

The Free Hiker 3 boasts quite a significant amount of foam underfoot, with a higher-than-average stack that measures 38.4 mm thick at the heel. 

Adidas tacos adidas 18.1 fg predator women wear boots jjkljb

This means that we were really able to sink into the midsole and savor the plush cushioning the boot has to offer.

Test results
tacos adidas 18.1 fg predator women wear boots 38.4 mm
Average 36.3 mm
Compared to 26 hiking boots
Number of shoes
26.2 mm
Heel stack
46.9 mm

Forefoot stack

At 24 mm thick according to our caliper measurements, the Free Hiker 2’s forefoot stack falls within the average range for hiking boots we’ve tested so far. This presents a healthy balance of protective cushioning and an intuitive sense of the ground below. 

Adidas tacos adidas 18.1 fg predator women wear boots Forefoot stack
Test results
tacos adidas 18.1 fg predator women wear boots 24.0 mm
Average 22.5 mm
Compared to 26 hiking boots
Number of shoes
17.0 mm
Forefoot stack
30.7 mm

Drop

The difference in our stack measurements leaves the Free Hiker 2 with a heel drop of 14.4 mm. This rather steep offset indicates a heel that is much more elevated than the forefoot which is great for reducing stress on the ankles and Achilles Tendons, especially when lugging a heavy backpack across long distances. 

adidas terrex free hiker 2 drop 2 20999583 main
Test results
tacos adidas 18.1 fg predator women wear boots 14.4 mm
Average 13.8 mm
Compared to 26 hiking boots
Number of shoes
2.6 mm
Drop
20.9 mm

champs adidas leggings girls kids | Midsole softness

Note: a low durometer measurement equals a soft material, whereas a high measurement means it's firm.

While hiking boots tend to boast rather firm midsoles, we enjoyed an extremely plush ride with the Free Hiker 2 which not only dampened the impacts of our landings but kept us feeling luxuriously comfortable while testing this boot. 

This heavenly softness is confirmed by our durometer which gave us a much softer-than-average reading of 15.4 HA.

Adidas tacos adidas 18.1 fg predator women wear boots hjbwe

Not only is the midsole soft but it’s got a nice bounce to it that makes the shoe feel more like a high-top trail shoe than a hiking boot. As such, the midsole put a jolly pep in our step that had us swiftly and breezily traversing the trails in this nimble boot.

Test results
tacos adidas 18.1 fg predator women wear boots 15.4 HA
Average 27.3 HA
We use an average of four tests. The photo shows one of those tests.
Compared to 26 hiking boots
Number of shoes
15.4 HA
Midsole softness (soft to firm)
53.3 HA

Difference in midsole softness in cold

To test the effects of cold conditions on the midsole, we placed the Free Hiker 2 in the freezer for twenty minutes. Once sufficiently chilled, we found that the midsole became 49.5% more firm than at room temperature. This change is more drastic than what we see in the average hiking boot, which means that the Free Hiker 2 sl72 feel a little different underfoot as the seasons change.

However, with a post-freezer durometer reading of 23 HA, the Free Hiker 2 remains much softer than the average hiking boot at room temperature! As such, it should still provide excellent and forgiving cushioning all year round. Despite being less consistent than the average shoe under similar conditions, this is still a remarkably soft reading that’s less firm than the average hiking boot at room temperature!

Test results
tacos adidas 18.1 fg predator women wear boots 49.5%
Average 19.1%
Compared to 26 hiking boots
Number of shoes
0%
Difference in midsole softness in cold
100%

Insole thickness

At 5 mm thick according to our caliper measurements, the Free Hiker 2's insole is just shy of our current lab average. Nevertheless, we enjoyed a comfy and well-padded within the shoe that nicely complements the midsole cushioning. 

adidas terrex free hiker 2 insole thickness 20999592 main
Test results
tacos adidas 18.1 fg predator women wear boots 5.0 mm
Average 6.1 mm
Compared to 26 hiking boots
Number of shoes
3.7 mm
Insole thickness
10.7 mm

Stability

Lateral stability test

The Free Hiker 2 feels well-balanced as shift our weight from side to side in the shoe, making it an excellent and supportive choice when hiking with a heavy pack.

We wouldn’t typically expect this from a boot with such a healthy amount of soft foam underfoot, though Adidas successfully offsets any imbalance through a number of features we’ll explore below, not least of which is the subtle yet effective rigid insert at the heel that proudly boasts the Terrex name.

Adidas tacos adidas 18.1 fg predator women wear boots Lateral stability test

Torsional rigidity

We were met with a lot of resistance as we attempted to bend and twist the Free hiker 2 in our hands, leading us to give it a torsional rigidity score of 4 out of 5. This rather rigid nature plays a large part in the boot’s stable underfoot sensation by allowing it to maintain a level platform as we move. As such, rolled ankles are extremely unlikely in this supportive boot. 

Test results
tacos adidas 18.1 fg predator women wear boots 4
Average 4.3
Compared to 26 hiking boots
Number of shoes
1
Torsional rigidity
5

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The Free Hiker 2’s heel counter is moderately stiff, earning a 3 out of 5 in our subjective evaluation. This provides a good balance of support and comfort as the boot holds our foot in place securely without squeezing our heels and ankles too much, while still having enough give to allow for some natural lateral movements. 

Test results
tacos adidas 18.1 fg predator women wear boots 3
Average 3.5
Compared to 26 hiking boots
Number of shoes
1
jual adidas stan smith black friday hours
5

Midsole width in the forefoot

Using our caliper, we measured the Free Hiker 2’s midsole to be 114 mm wide at the forefoot which is right about the average for hiking boots. This gives us a platform that’s wide enough to be reliable and stable over any surface, without feeling overly blocky underfoot. 

Adidas tacos adidas 18.1 fg predator women wear boots Midsole width in the forefoot
Test results
tacos adidas 18.1 fg predator women wear boots 114.0 mm
Average 111.6 mm
Compared to 26 hiking boots
Number of shoes
96.3 mm
Midsole width in the forefoot
124.6 mm

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The Free Hiker 2’s midsole is also within the average range at the heel, which measures 91.3 mm wide. This should be enough surface area to bite into surfaces well and promote a surefooted stride for most hikers. 

Adidas tacos adidas 18.1 fg predator women wear boots mens adidas joggers amazon women pants shoes sale
Test results
tacos adidas 18.1 fg predator women wear boots 91.3 mm
Average 87.9 mm
Compared to 26 hiking boots
Number of shoes
71.7 mm
mens adidas joggers amazon women pants shoes sale
106.1 mm

Flexibility

Stiffness

We secured the Free Hiker 2 to our workbench and found that only 24.7N of force is needed to bend it 90 degrees. This makes the Free Hiker much more flexible than the average hiking boot, and actually closer in line with the average trail running shoe. 

As a result, the boot is able to bend along with the neutral flexion of our foot with relative ease, thus lending the shoe a ride that feels comfortable as well as supportive.

adidas terrex free hiker 2 stiffness 20999597 main
Test results
tacos adidas 18.1 fg predator women wear boots 24.7N
Average 44.3N
We use an average of four tests. The video shows one of those tests.
Compared to 26 hiking boots
Number of shoes
16.6N
Stiffness
84.7N

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We also repeated our stiffness test after letting the Free Hiker 2 chill in our freezer for twenty minutes and found that it only became 28.1% stiffer, with 28.1N of force now needed to bend the shoe to the desired point.

Adidas tacos adidas 18.1 fg predator women wear boots free

This is more pliable than the average boot both in the cold and at room temperature! As such, the Free Hiker 2 should feel incredibly consistent and forgiving no matter how frosty the surrounding conditions are. We only recommend pairing it with a pair of warm socks come wintertime as the boot’s airy nature sl72 let in gusts of icy air.

Test results
tacos adidas 18.1 fg predator women wear boots 13.8%
Average 25.4%
Compared to 26 hiking boots
Number of shoes
0%
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100%

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Lug depth

Using our caliper, we measured the Free Hiker 2’s lugs to be 3.7 mm thick which is right around the average range for hiking boots. 

adidas terrex free hiker 2 drop 20999582 720

By using a combination of straight and chevron-shaped lugs in a strategic pattern doesnt just allow the boot to grip surfaces extremely well during our tests, but means that we were also able to easily cast off mud and debris quite easily. What’s more, the Continental rubber that makes up the outsole provided us with incredibly reliable traction whether we were in dry or wet conditions.

adidas terrex free hiker 2 lug depth 20999600 main
Test results
tacos adidas 18.1 fg predator women wear boots 3.7 mm
Average 4.2 mm
Compared to 26 hiking boots
Number of shoes
3.0 mm
Lug depth
5.8 mm

Size and fit

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We measured the Free Hiker 2’s toebox to be 103.2 mm wide at its widest point. This is slightly roomier than our current lab average and means that the Free Hiker 2 should be able to comfortably accommodate wide feet. 

adidas terrex free hiker 2 toebox width at the widest part 20999601 main
Test results
tacos adidas 18.1 fg predator women wear boots 103.1 mm
Average 101.8 mm
Compared to 26 hiking boots
Number of shoes
95.5 mm
adidas gazelle femme blanche boots shoes 2016 size
110.2 mm

Toebox width at the big toe

We found that we had plenty of room to splay out within the Free Hiker 2’s toebox, which we measured to be wider than average in the area around the big toe at 80.3 mm wide. This means that, even as our feet swelled up towards the latter end of longer treks, we never felt overly constricted in the Free Hiker 2. 

Adidas tacos adidas 18.1 fg predator women wear boots Toebox width at the big toe
Test results
tacos adidas 18.1 fg predator women wear boots 80.3 mm
Average 78.4 mm
Compared to 26 hiking boots
Number of shoes
67.6 mm
Toebox width at the big toe
91.1 mm

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While sock-like fits aren’t typically lauded for their ability to secure the foot in place, the Free Hiker 2’s snug collar had us feeling well locked into the boot as we traversed the wilderness. 

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On the flip side, putting the boot on is quite the infernal struggle that has us frantically squeezing our foot through the tight opening whenever we bold them out for a trek.

Test results
tacos adidas 18.1 fg predator women wear boots Sock like

Comfort

Tongue padding

At 7.1 mm thick according to our caliper measurements, the Free Hiker 2’s tongue isn’t as padded as our current lab average. Despite this, however, we still found the shoe to be very comfortable around the instep with no hint of lace once we had secured the boot to our foot. 

adidas terrex free hiker 2 tongue padding 20999604 main
Test results
tacos adidas 18.1 fg predator women wear boots 7.1 mm
Average 11.2 mm
Compared to 26 hiking boots
Number of shoes
5.9 mm
Tongue padding
22.3 mm

Heel tab

The Free Hiker 2 sports a little finder loop at the top of the heel that’s useful for hooking onto as we wrestle the boot onto our foot. 

Adidas tacos adidas 18.1 fg predator women wear boots Heel tab
Test results
tacos adidas 18.1 fg predator women wear boots Finger loop

Removable insole

The insole is fully removable, so those in need of added arch support in the form of custom orthotics should be able to use them with this boot. 

Adidas tacos adidas 18.1 fg predator women wear boots Removable insole
Test results
tacos adidas 18.1 fg predator women wear boots Yes

Misc

Reflective elements

The Free Hiker 2 doesn’t feature any reflective elements, so we recommend exercising caution and using additional high-vis gear if hiking on the side of a road at night. 

Adidas tacos adidas 18.1 fg predator women wear boots Reflective elements
Test results
tacos adidas 18.1 fg predator women wear boots No