Nuestra conclusión

Las Terrex Free Hiker GTX 2.0 te van a ofrecer mucha tranquilidad al hacer senderismo. Estas botas Adidas, que apenas se notan cuando las llevas puestas, son muy cómodas y flexibles y se defienden bien en condiciones impredecibles. Tienen un aspecto similar al de unas zapatillas de deporte, ofrecen un gran retorno de energía, potenciando cada paso, ya sea en terrenos llanos o accidentados.

Pros

  • Ofrecen rebote y sujeción
  • Un agarre increíble
  • Excelente impermeabilidad
  • Ligeras como una pluma
  • Muy cómodas
  • Más resistentes de lo que parecen
  • Calidad de construcción 5 estrellas
  • Muy transpirables

Contras

  • Mala protección contra golpes
  • Unas de las más caras

Veredicto de los usuarios

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Aún no hay reviews suficientes

Who should buy

The Terrex Free Hiker 2.0 Low GTX must be on your radar if this is what you are after:

  • a max-cushioned hiking shoe that keeps you isolated from obstacle-laden trails
  • a highly stable and extra grippy shoe for technical terrain
  • an outdoor shoe with an athletic sneaker style
  • a preimium shoe that's built to last

Adidas Terrex Free Hiker 2.0 Low GTX review

Who should NOT buy

If the hefty weight of this Adidas Terrex shoe is a dealbreaker for you, there are lighter options with similar intent and features that you could consider: the Salomon X Ultra 4 GTX (13.3 oz/378g) and the HOKA Anacapa 2 Low GTX (14.1 oz/400g).

Another reason to consider a different shoe is if you go on lighter and easier hikes. In that case, the Free Hiker 2.0 Low is definitely an overkill. Shoes like the Merrell Moab Speed 2 or the On Cloudhorizon are also well-cushioned but lighter and not so rigid.

Adidas Terrex Free Hiker 2.0 Low GTX lab test

Amortiguación

Altura de la suela en la zona del talón

Contrary to the brand's stated 30 mm of heel stack, our caliper showed a much higher reading of 37.2 mm! And frankly, the shoe's mighty platform does feel a lot like the latter. It is, in fact, a few solid milimeters thicker than the average hiking shoe!

For context, the Adidas Terrex AX4 has a heel stack of 30.6 mm and it feels significantly more grounded. The Terrex Free Hiker 2.0 Low GTX is more like a hiking boot in terms of impact protection.

Adidas Terrex Free Hiker 2.0 Low GTX Heel stack

The shoe provides a ton of isolation from the rough ground which helped us worry less about sharp rocks and roots underfoot.

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 37.2 mm
Media 32.3 mm
En comparación con 26 zapatillas de senderismo
Número de zapatillas
22.0 mm
Altura de la suela en la zona del talón
39.4 mm

Altura de la suela en el antepié

At 24.6 mm, the shoe's forefoot stack also proved to be higher than the promised 20 mm.

This generous cushioning kept the balls of our feet safeguarded from the elements and helped our feet feel less tired by the end of the hike.

Adidas Terrex Free Hiker 2.0 Low GTX Forefoot stack
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 24.6 mm
Media 21.2 mm
En comparación con 26 zapatillas de senderismo
Número de zapatillas
10.7 mm
Altura de la suela en el antepié
31.0 mm

Drop

Subtracting forefoot stack from the heel stack, we got a heel-to-toe drop of 12.6 mm in this Adidas Terrex shoe. It is slightly higher than the stated 10 mm but the difference is so subtle you can hardly feel it.

Especially since the shoe's drop is on par with the category average, you experience a very familiar heel elevation. It is an optimal offset for long hours of hiking with a backpack which takes the pressure off the foot and Achilles and shifts it up to the knees and hips.

Adidas Terrex Free Hiker 2.0 Low GTX Drop
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 12.6 mm
Media 11.1 mm
En comparación con 26 zapatillas de senderismo
Número de zapatillas
4.7 mm
Drop
16.0 mm

Suavidad de la mediasuela

Not only is it thick but the shoe's midsole is also quite cushy thanks to the prominent Boost foam in it. This soft blend showed a very low durometer reading of 14.0 HA which is a whopping 94% softer than average!

Adidas Terrex Free Hiker 2.0 Low GTX Midsole softness

But even though this Adidas Terrex shoe feels soft directly underfoot, it is not as wobbly-plush as one might think. The Boost is complemented by a firm foam and a hard rubber outsole which make the ride feel balanced overall. What's more, the responsive nature of Boost makes the shoe feel quite sprightly.

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 14.0 HA
Media 27.7 HA
Utilizamos la media de cuatro pruebas. La foto muestra una de esas pruebas.
En comparación con 26 zapatillas de senderismo
Número de zapatillas
13.5 HA
Suavidad de la mediasuela (de blanda a firme)
39.0 HA

Suavidad de la espuma secundaria

Speaking of that firmer foam, we found that a pretty large chunk of it is concentrated in the shoe's toe area to soften the blow of hard rocks and sharp debris. It showed a very high durometer reading of 38.5 HA confirming its above-average density.

Adidas Terrex Free Hiker 2.0 Low GTX Secondary foam softness

This firm foam also stretches all the way back to the heel on both sides of the shoe, forming a supportive carrier (aka EVA stabilization frame) that adds structure and stability to the ride.

Adidas Terrex Free Hiker 2.0 Low GTX medial support

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 38.5 HA
Utilizamos la media de cuatro pruebas. La foto muestra una de esas pruebas.

Suavidad de la mediasuela en frío

What's even more amazing about the Boost foam used in the Free Hiker 2.0 Low GTX is that it doesn't seem to be bothered by low temparetures at all!

Stunningly, after 20 minutes of sitting in the freezer, the compound only firmed up by 11%! The durometer reading still remained in the plush range showing 15.5 HA. And that is softer than most other hiking shoe foams at room temperature.

Adidas Terrex Free Hiker 2.0 Low GTX Midsole softness in cold
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 15.5 HA
Media 32.8 HA
Utilizamos la media de cuatro pruebas. La foto muestra una de esas pruebas.
En comparación con 26 zapatillas de senderismo
Número de zapatillas
16.1 HA
Suavidad de la mediasuela en frío (de blanda a firme)
49.3 HA

Grosor de la plantilla

On top of its primary cushioning, the Terrex Free Hiker 2.0 also packs a sufficiently padded insole. Our caliper recorded 4.9 mm of thickness in its heel area.

Adidas Terrex Free Hiker 2.0 Low GTX Insole thickness
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 4.9 mm
Media 5.5 mm
En comparación con 25 zapatillas de senderismo
Número de zapatillas
2.6 mm
Grosor de la plantilla
8.6 mm

Rocker

It is equally important to mention the shoe's pronounced toe rocker which is more common for trail running shoes than it is for hiking footwear.

Adidas Terrex Free Hiker 2.0 Low GTX rocker

We couldn't help but notice how smooth and agile our transitions felt thanks to this curved geometry.

Tallaje y ajuste

Talla

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Anchura de la parte delantera - zona más ancha

According to Adidas, the Terrex Free Hiker 2.0 Low GTX offers a regular fit and we can subscribe to that statement.

Measuring the cooled-off gel mold of the shoe's toebox, our caliper returned a solid reading of 95.4 mm in its widest part. This is an expected (regular) width for a D-medium shoe in a men's US size 9.

But please note that it's the only available width option for this Adidas hiking shoe too.

Adidas Terrex Free Hiker 2.0 Low GTX Toebox width - widest part
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 95.4 mm
Media 94.3 mm
En comparación con 20 zapatillas de senderismo
Número de zapatillas
90.0 mm
Anchura de la parte delantera - zona más ancha
97.9 mm

Anchura de la parte delantera - dedo gordo

On the flip side, the shoe's toebox shape is not as roomy as some people might hope.

While it still falls into the medium-width range at 68.8 mm in the big toe area, it is also a few milimeters narrower than average.

If you think you could use some breathing room for the toes, see our selection of hiking shoes with a wide toebox.

Adidas Terrex Free Hiker 2.0 Low GTX Toebox width - big toe
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 68.8 mm
Media 72.7 mm
En comparación con 20 zapatillas de senderismo
Número de zapatillas
67.3 mm
Anchura de la parte delantera - dedo gordo
76.7 mm

Altura de la parte delantera

Gladly, there is no lack of vertical space in this Adidas Terrex shoe.

Adidas Terrex Free Hiker 2.0 Low GTX Toebox height

With a caliper measurement of 28.6 mm, its toebox height proved to be on par with the average.

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 28.6 mm
Media 28.1 mm
En comparación con 20 zapatillas de senderismo
Número de zapatillas
24.2 mm
Altura de la parte delantera
35.4 mm

Estabilidad

Prueba de estabilidad lateral

It may look like a sporty sneaker on the outside, but we discovered a highly rigid personality inside the Adidas Terrex Free Hiker 2.0 Low GTX.

The shoe's main stabilizing componets are, of course, the external TPU heel clip and the firm EVA stabilization frame (or sidewalls). Both generate a lot of side-to-side support and contrainment for the foot which were revealed in our manual tests below.

Rigidez torsional

The Free Hiker 2.0 Low proved to be highly resistant to twisting which earned it a high stiffness score of 4/5.

This amount of torsional rigidity helped us feel pretty surefooted on rocky and hilly terrain despite the shoe's very high stack.

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 4
Media 3.5
En comparación con 26 zapatillas de senderismo
Número de zapatillas
1
Rigidez torsional
5

Rigidez del contrafuerte del talón

The TPU heel clip also added a lot of stiffness to the shoe's heel counter. As you can see from our push-and-squeze test, the give is barely existent here. Thus, another high stiffness score of 4/5 went to the shoe's heel counter.

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 4
Media 3.7
En comparación con 26 zapatillas de senderismo
Número de zapatillas
1
Rigidez del contrafuerte del talón
5

Anchura de la mediasuela - antepié

Adidas also made sure to provide extended contact points in the midsole to keep the foot more steady in the Terrex Free Hiker 2.0 Low GTX.

Our caliper measured an above-average width of 113.9 mm in the widest part of the forefoot. While it's not HOKA-wide, it feels substantial underfoot.

Adidas Terrex Free Hiker 2.0 Low GTX Midsole width - forefoot
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 113.9 mm
Media 111.0 mm
En comparación con 26 zapatillas de senderismo
Número de zapatillas
103.0 mm
Anchura de la mediasuela - antepié
117.6 mm

Anchura de la mediasuela - talón

The shoe's heel also proved to be notably wider than average at 93.1 mm adding a lot of rearfoot stability (particularly on the descents).

This platform width, paired with the shoe's overall stable construction, made it more capable of shuttling heavy loads on multi-day trips.

Adidas Terrex Free Hiker 2.0 Low GTX Midsole width - heel
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 93.1 mm
Media 86.9 mm
En comparación con 26 zapatillas de senderismo
Número de zapatillas
79.2 mm
Anchura de la mediasuela - talón
101.6 mm

Flexibilidad / Rigidez

Against all odds, this Adidas shoe proved to be sufficiently flexible in the forefoot. Neither its high stack, nor firm EVA, nor stiff upper material prevented the Free Hiker from bending freely under our toe joints.

Adidas Terrex Free Hiker 2.0 Low GTX Flexibility / Stiffness

As our flexibility tester showed, it takes 17.8N to bend the shoe by 30 degrees which is just as much as it takes an average hiking shoe.

This means that you can still get some natural foot flexion when going uphill or securing grip on technical terrain. It also makes the shoe feel agreeable on the more leisurely hikes.

Adidas Terrex Free Hiker 2.0 Low GTX flexibility

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 17.8N
Media 18.6N
En comparación con 17 zapatillas de senderismo
Número de zapatillas
11.2N
Flexibilidad <> Rigidez
39.1N

Peso

Unfortunately, its above-average weight makes the Free Hiker 2.0 Low GTX not as fun and agile as it could have been. And we could feel it on the trail too.

The heft of this shoe reflected in a high scale reading of 15.7 oz (445g) which makes it one of the heaviest hiking shoes we've tested in the lab.

This is not a great option for speed hikers or light packers, for sure.

Adidas Terrex Free Hiker 2.0 Low GTX Weight
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 15.70 oz (445g)
Media 13.23 oz (375g)
En comparación con 26 zapatillas de senderismo
Número de zapatillas
11.01 oz (312g)
Peso
17.14 oz (486g)

Transpirabilidad

In this review, we are testing the shoe's waterproof Gore-Tex (GTX) version which obviously falls short of breathability. But you can get a more summer-ready non-GTX version which is also €30 cheaper.

As you can see from our smoke-pumping test above, not a tiny little billow of smoke is passing through the shoe's toebox. It's a 100% sealed and airtight area.

But on a positive note, you benefit from the shoe's top-notch waterproofing capacities. Just keep in mind that it only keeps you dry below the ankle so if you need more coverage, go for the high-top Free Hiker 2.0.

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 1
Media 2.7
En comparación con 26 zapatillas de senderismo
Número de zapatillas
1
Transpirabilidad
5

Durabilidad

Durabilidad de la parte delantera

Adidas gets a standing ovation from us for incorporating a highly abrasion-resistant mesh in the Terrex Free Hiker 2 Low GTX.

Adidas Terrex Free Hiker 2.0 Low GTX Breathability Microscope test

We discovered that even in the areas where it's not reinforced with synthetic overlays, the mesh is capable of fending off scratches and slashes.

Adidas Terrex Free Hiker 2.0 Low GTX Breathability under microscope

After a 12-second exposure to sandpaper in our Dremel test, the fabric showed only minor scuffing. This earned the shoe a high toebox durability score of 4/5. 

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 4
Media 3.7
En comparación con 20 zapatillas de senderismo
Número de zapatillas
1
Durabilidad de la parte delantera
5

Durabilidad del acolchado del talón

We aren't sure why the shoe's interior fabric wasn't as wear-resistant as the exterior one.

It only took a few seconds of drilling to leave a visible tear on the collar lining. Thus, we lowered the heel padding durability score to 3/5.

While this kind of wear doesn't affect the shoe's intergrity, it can result in some unpleasant chafing.

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 3
Media 2.9
En comparación con 19 zapatillas de senderismo
Número de zapatillas
1
Durabilidad del acolchado del talón
5

Dureza de la suela

We can always tell a lasting Adidas shoe by a good old Continental Rubber. This tough and sturdy compound never disappoints and it proved to be hard in the Free Hiker 2.0 Low as well.

Our Shore C durometer showed a solid reading of 84.5 HC which is a standard for the hiking shoe category.

Adidas Terrex Free Hiker 2.0 Low GTX Outsole hardness
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 84.5 HC
Media 85.0 HC
Utilizamos la media de cuatro pruebas. La foto muestra una de esas pruebas.
En comparación con 26 zapatillas de senderismo
Número de zapatillas
80.5 HC
Dureza de la suela
94.1 HC

Durabilidad de la suela

To test the rubber with brute force, we ramped up the Dremel speed to 10K RPM and drilled it for 18 seconds. And the Continental blend fought back so hard, it even made the tool tremble!

With a laughable dent of 0.4 mm, we can confirm that this shoe's outsole is built to endure.

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 0.4 mm
Media 1.0 mm
En comparación con 19 zapatillas de senderismo
Número de zapatillas
0.0 mm
Desgaste de la suela
2.0 mm

Grosor de la suela

We also found the shoe's outsole thickness to be adequate and on par with the average. With a caliper reading of 2.6 mm, we think that's a fair amount of rubber given its sturdiness and the shoe's already heavy build.

Adidas Terrex Free Hiker 2.0 Low GTX Outsole thickness
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 2.6 mm
Media 2.5 mm
En comparación con 26 zapatillas de senderismo
Número de zapatillas
1.6 mm
Grosor de la suela
4.0 mm

Varios

Profundidad del dibujo de la suela

The Adidas Terrex Free Hiker 2.0 Low GTX uses two types of lugs as well as varied lug depth to provide an all-encompassing grip on varied terrain.

Adidas Terrex Free Hiker 2.0 Low GTX outsole tread pattern

Measuring lugs in the shoe's heel area, our caliper showed an exceptional depth of 6.7 mm! This is some of the most aggressive treadings we've seen on hiking shoes! The hard bite of these teeth became particularly apparent on steep descents where braking was needed the most.

Adidas Terrex Free Hiker 2.0 Low GTX Lug depth heel

The midfoot and forefoot lugs, on the other hand, proved to be more moderate but still quite toothy at 3.6 mm. They made the Free Hiker a bit more versatile to cover less technical terrain as well.

Adidas Terrex Free Hiker 2.0 Low GTX Lug depth forefoot

We found the lug depth and spacing to be sufficient for shaking off some occasional mud but this is definitely not our first choice for boggy conditions (especially given its weight!). This is more of a mountain goat that feels at home on steep scree slopes, rock-heavy trails, and wet rocky creek bottoms.

Adidas Terrex Free Hiker 2.0 Low GTX traction

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 6.7 mm
Media 3.9 mm
En comparación con 26 zapatillas de senderismo
Número de zapatillas
2.1 mm
Profundidad del dibujo de la suela
5.0 mm

Precio

The asking price of the Adidas Terrex Free Hiker 2.0 Low GTX is equivalent to its close competition from HOKA and Salomon. And we think it's fair given the amount of tech and premium materials in this shoe.

It is a performance-oriented max-cushioned, Boost-powered, Gore-Tex lined shoe for long-mileage hikes.

Adidas Terrex Free Hiker 2.0 Low GTX Price
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX $180
En comparación con 30 zapatillas de senderismo
Número de zapatillas
€80
Precio
€220

Elementos reflectantes

We spotted no reflective components on the Free Hiker which makes it invisible at night.

Adidas Terrex Free Hiker 2.0 Low GTX Reflective elements
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX No

Acolchado de la lengüeta

While it's not the most generously padded hiking shoe, it packs more foams in the spots where it's most needed. The thickest parts of its tongue, for example, reach 12.1 mm which helps to buffer the lace pressure.

Adidas Terrex Free Hiker 2.0 Low GTX Tongue padding
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX 12.1 mm
Media 9.7 mm
En comparación con 26 zapatillas de senderismo
Número de zapatillas
5.0 mm
Acolchado de la lengüeta
17.0 mm

Lengüeta: tipo de refuerzo

The shoe's tongue is fully-gusseted closing off the instep gaps and not letting water or debris seep inside.

Adidas Terrex Free Hiker 2.0 Low GTX Tongue: gusset type
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX Ambos lados (completo)

Tirador del talón

Large finger loops on both the tongue and the heel of the Terrex Free Hiker 2.0 make on-and-off fast and breezy.

Adidas Terrex Free Hiker 2.0 Low GTX Tongue loop

Also nice to see that both loops are large enough to fit a whole finger.

Adidas Terrex Free Hiker 2.0 Low GTX Heel tab

Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX Tirador circular

Plantilla extraíble

The shoe's insole is easily removable in case you want to level up the comfort with a custom orthotic.

Adidas Terrex Free Hiker 2.0 Low GTX Removable insole
Resultados de las pruebas
Terrex Free Hiker 2.0 Low GTX

Sustainable materials

At least 20% of the shoe's components are made of sustainable materials - recycled or renewable.

Adidas Terrex Free Hiker 2.0 Low GTX fit