Adidas Outdoor Terrex Free

9.7
9.7 score
Runnerclick score (9.7)/10

Our overall Runnerclick score is based on 3 different factors: Editor's rating after in-depth testing. User ratings submitted on this page Overall score from the "reviewmeter" based on reviews across the web the weight of each factor is: 40% editor rating 15% user ratings 45% reviewmeter
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Editor rating: 9.3 / 10
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Adidas Outdoor Terrex Free Review Facts
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The Adidas Outdoor Terrex Free is an impressive combination of the company’s Boost foam, Primeknit materials, and Continental rubber. This is a new kind of hiking boot because it is lightweight, soft, and very responsive. Unlike other hikers, this shoe is designed to look more like a running shoe with the performance abilities of a hiking boot. It is attractive by design and comfortable thanks to its engineering. Many reviews include the fact that this hiking boot is versatile and comfortable and praise the fact that it delivers a solid hiking experience on both wet and dry land.

Editor's Pros & Cons
Pros
  • Proprietary Boost foam midsole offers excellent responsive comfort
  • Continental rubber outsole is durable and grippy
  • Primeknit upper is breathable and lightweight
  • Versatile design
  • TPU heel counter for added support and Achilles movement
  • Soft bootie-like design for a more comfortable hiking experience
Cons
  • Tends to run rather large
  • It is on the more expensive side
Outsole
Outsole

Outsole

The outsole of the Outdoor Terrex Free has a pretty impressive design. The material used in the making of the outsole is Continental rubber. Continental is a tire company and we all know that tires are designed to provide a reliable grip on the ground. That means that these trail shoes are engineered to deliver solid grip and performance, even in wet conditions. Throughout the bottom of the shoe, you will find V-shaped lugs made of the same Continental rubber. These lugs will allow you to move multi-directionally and will help carry you over rugged terrains. The middle of the outsole has a cutout at the midfoot so you get a sneak peek at the sneaker’s midsole. The word “Continental” is stamped in orange at the forefoot to remind you that these shoes will carry you over terrain easily.
Midsole
Midsole

Midsole

In the past couple of years, Adidas has placed its proprietary BOOST foam material in many shoes it has produced. The Outdoor Terrex Free is Adidas’ first hiking shoe to boast this material. Boost is designed to be lightweight but very responsive. Once you apply pressure to it, it contracts and then springs right back to shape, resulting in a very springy and responsive ride. This Boost foam delivers responsive feedback to each footstep, meaning the more energy you give, the more you will receive. Boost foam can be recognized by the pebble-like appearance on the sides of the shoe. When you are wearing these shoes out and about on the trail, you will definitely feel their support and cushioned comfort and will be thankful for the bounce they add to your step. The midsole also features an anti-torsional support bar to protect your feet on lateral movements and uneven terrain.
Upper
Upper

Upper

Adidas chose to go with their Primeknit material in the engineering of the Outdoor Terrex Free. This gives this hiking boot a more flexible and comfortable upper than many other hiking boots on the market. Primeknit is designed to form and flex to your foot comfortably and allows for excellent airflow into and out of the foot chamber. Primeknit is able to hug your foot securely to deliver support but is also flexible and comfortable. This shoe boasts a mid-profile silhouette for additional ankle support and the design includes sock-lock which helps the shoe fit like a bootie. The sock-like material and fit make this shoe extremely comfortable. The hiker also features synthetic overlays around the forefoot and the iconic three-stripe logo on either side of the midfoot. The heel features a heel collar that is designed to allow for better Achilles movement at the rear. At the ankle, you will find a heel loop for easy on and off and a textile wrap that goes halfway around the ankle with the word “Terrex” stamped on it to increase support.
Weight
Weight

Weight

Considering the amazing amount of support and comfort these hiking boots offer, they are fairly lightweight for the category that they fall in. If these were running shoes, they’d be heavy but because they are hiking boots, they are pretty lightweight. A men’s size 9 weighs around 13.5 ounces which may sound heavy but for hiking boots, that’s pretty light.
Breathability
Breathability

Breathability

Breathability is not something hiking boots are necessarily known for. Typically, hiking boots have layers of upper materials to support your foot. Although the Outdoor Terrex Free does have some layers in the upper, they are all made of lightweight material and are placed on top of breathable Primeknit. Primeknit is made to be extremely lightweight, flexible, and breathable so you should not feel too much swamp-foot in these hiking boots. The upper allows your feet to breath exceptionally so in the end, they may not be the best option for cold-weather hiking.
Comfort
Comfort

Comfort

The bulk of this shoe’s reviews sing the praises of their comfort level. The Primeknit upper and Boost foam midsole give these shoes a soft and comfortable overall feel. The Boost foam delivers a soft and responsive underfoot experience that will have your feet feeling like they are walking on clouds. The upper is mostly made of Primeknit material which is flexible and soft. Primeknit forms to your foot comfortably while the heel collar forms a soft, sock-like design to both support and comfort your ankle. These hiking boots are unique in that they aren’t stiff and too bulky. Rather, they are soft and responsive. It should be noted, however, that some users said that this shoe tends to run large.
Style
Style

Style

Although the Adidas Outdoor Terrex Free is a hiking boot with a mid-profile silhouette, it is designed to look more like a running shoe, which Adidas is very familiar with. When the company designed this hiking boot, they wanted it to be attractive and versatile enough to wear on mild to moderate terrains. Most hiking boots are stiff and bulky looking but the Terrex Free looks more like an attractive running shoe with a high-top design. The colorways of this hiker are all pretty subtle yet aesthetically-pleasing. Some reviewers even said that these shoes are versatile enough to wear from the trail to a night out.
Durability
Durability

Durability

The outsole of the Outdoor Terrex Free is definitely one that can be counted on as being durable. Because it is made of Continental rubber, the same rubber used in some car tires, it can be expected to be a lasting and long-wearing hiking boot. The Boost material found at the midsole is very soft and can crease over time but it is well-protected by the rubber outsole and torsional support bar located between the upper and Boost foam midsole. The upper is lightweight and breathable and may be the least durable part of the sneaker. However, the upper does feature a number of synthetic overlays and also has a heel counter that will help the shoe to maintain its structural integrity.
Protection
Protection

Protection

The Adidas Outdoor Terrex Free supplies a decent amount of protection for your feet and ankles if you choose to use them for what they are designed for: the mild to moderate hiking terrains. The overall design is not incredibly aggressive so if you are looking for maximum protection against highly-technical terrain environments, you may want to step into a stiffer and more supportive hiker. However, these hiking boots are designed to deliver a decent amount of underfoot protection thanks to the Continental rubber outsole. The Boost midsole will protect your joints from shock while the molded insole found within the shoe helps to protect you from irritation and blisters.
Responsiveness
Responsiveness

Responsiveness

Boost foam is a proprietary material developed by Adidas scientists. This foam is made up of a bunch of small foam pellets that have been heat-molded to the shape of the midsole. They are designed to absorb the pressure that is applied to them and then spring back to their original shape immediately, resulting in a springy and bouncy walking and running experience. This hiking boot is the first one to boast Adidas’ Boost foam and is sure to be the springiest hiking boot out there today.
Support
Support

Support

The platform that is formed by the Continental rubber outsole and Boost foam midsole is a soft yet supportive one. The Boost foam works to cradle your foot with each step and will support you as you move throughout uneven terrain. The Primeknit upper will support your foot by flexing and molding to your foot shape with breathable comfort. The firm heel counter grips your heel from either side of the upper and leaves room for your Achilles to move and flex naturally. Your heel is also supported thanks to the textile heel wrap that is featured around the ankle-height soft heel collar.
Terrain
Terrain

Terrain

As stated in its name, the Adidas Outdoor Terrex Free is designed to help you tackle the outdoors. The Continental rubber outsole with its V-shaped lugs will help you move through mild to moderate technical terrains with ease. Because these hiking boots do not boast a ton of firm support in their upper and have a softer more responsive midsole, they may not be the best choice if you are looking to traverse though highly technical terrains. However, if you want to hike around in the trails near you or even trek in some more advanced trails, these will work well for you. They are also pretty versatile hiking boots so you can even wear them out and about without looking like you were just camping out in the woods for a week.
Price
Price

Price

One thing the Adidas Outdoor Terrex Free may not have on its side is their price tag. To get a pair of these great-looking hiking boots, you’re going to have to shell out around $200 which is a bigger hit to the wallet than some may be willing to pay. However, if you want a hiking boot that will carry you over the trail with lightweight and stylish not-too-stiff comfort, then you may not be too concerned with the hefty price tag.
Traction
Traction

Traction

The V-shaped Continental rubber lugs featured on this shoe’s outsole will allow you to trek through wet, dry, and muddy terrains easily. The grippy outsole will deliver an exceptional ride over mild to moderate terrains. The lugs on these shoes will help you tackle the trail while moving in many different directions.
Flexibility
Flexibility

Flexibility

The outsole of the Adidas Outdoor Terrex Free does not feature any flex grooves. Rather, it is made up of one solid piece of Continental rubber with a small window into the midsole found at the rear. This makes the outsole not all-too-flexible. With that said, the overall design of the upper is not overly-aggressive and is not made up of thick rubber so it will move and flex with the lightweight Boost midsole with ease. The upper is unlike many other hiking boots because the primary makeup of it is Primeknit material. Primeknit is a soft and flexible textile which is designed to move with your foot. These features combine to form a decently-flexible hiking boot, considering the fact that they are designed to support you throughout hiking.
Stability
Stability

Stability

The Adidas Outdoor Terrex Free is not engineered to be a stability sneaker. However, that does not mean it does not boast any stabilizing properties. The torsional support bar that is sandwiched between the upper and Boost midsole is designed to keep your foot from twisting and turning unnecessarily. This support bar also allows your foot to rest on a more stable platform. The Primeknit upper and synthetic overlays on this hiking boot help to hold your foot snugly and securely for added stability. The firm heel counter also grips your heel securely to keep it from twisting and coming out of the foot chamber.
Drop
Drop

Drop

The heel stack of this hiker measures 33mm while the forefoot stack measures 23mm. That gives this lightweight and responsive hiking boot a 10mm drop. This is a pretty average drop for most hiking boots and neutral running shoes alike. This will allow you to feel a good amount of cushion on the heel strike and deliver a smooth heel to toe transition without too much ground feel.
Key Features
Key Features

Key Features

- Continental rubber outsole is both durable and grippy to carry you over both wet and dry terrains.
- Boost foam midsole is soft, responsive, and comfortable to make sure you have a comfortable hike, even if it is all day.
- The Primeknit upper is lightweight, breathable, and flexible. It will snug your foot securely and move with you easily for a comfortable and not-too-stiff hiking experience.
- TPU heel counter grips your heel securely and also allows for optimal movement of your Achilles.
- Ankle-height silhouette allows for additional ankle support in a soft and flexible heel collar style.
Bottom Line
Bottom Line

Bottom Line

Typically, hiking boots tend to be stiff and bulky and look relatively alike. However, Adidas comes on the scene with its Outdoor Terrex Free hiking boot and changes all that. This hiking boot is designed to look more like a running shoe with a high-top silhouette. The Continental rubber outsole is grippy enough to ensure safe footing over mild to moderate terrains while the Boost midsole supplies springy responsiveness and ultimate comfort. Unlike other hiking boots, the upper is more soft and flexible and is able to better move with your foot. This really is a great hiking boot. The only downsides are the fact that it tends to run big and that it is on the expensive side. Other than that, it is great to look at, versatile, comfortable, lightweight, breathable, and responsive.