adidas Ultraboost X

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adidas Ultraboost X: Review

β€œA women's running shoe with a unique floating arch and adaptive support.”

Overview


The adidas Ultraboost X is a running shoe designed specifically for women, offering a unique blend of comfort, support, and style. This shoe is known for its innovative design that includes a floating arch (an arch that is disconnected from the sole) and a Primeknit upper (a breathable, sock-like material), which provides a snug, sock-like fit.

Key Features:

  • Floating Arch: The arch is disconnected from the sole, offering adaptive support and a unique feel.
  • Primeknit Upper: A breathable, sock-like upper that adapts to the foot's shape.
  • Boost Midsole: Provides excellent cushioning and energy return.

The adidas Ultraboost X is an ideal choice for female runners who prioritize arch support and a snug fit for daily running. Its unique design offers a blend of comfort and responsiveness, making it suitable for short to medium distances.

Based on our monitoring of prices across the internet, it's currently in the most expensive 20% of running shoes today.

Verdict

The consensus on the adidas Ultraboost X


The adidas Ultraboost X is a unique running shoe that offers a blend of comfort and responsiveness. The floating arch design provides excellent support for those with high arches, while the Primeknit upper ensures a snug, sock-like fit. However, some users may find the fit too tight, especially during longer runs. The Boost midsole offers great cushioning and energy return, making it suitable for short to medium distances. The shoe's weight is moderate, and while it excels in responsiveness, it may not be the best choice for those seeking maximum stability. Overall, the Ultraboost X is a solid option for female runners looking for a unique and supportive shoe. Its unique design and adaptive support make it a standout choice for daily running.

adidas Ultraboost X: Base model


The adidas Ultraboost X is a special version of the adidas Ultraboost. While the Ultraboost is known for its comfort and cushioning, the Ultraboost X takes it a step further with a unique floating arch design and a Primeknit upper that adapts to the shape of the foot. This women's-specific model offers targeted arch support and a snug, sock-like fit, making it a standout choice for female runners. The Ultraboost X retains the Boost midsole for excellent cushioning and energy return, but its unique design sets it apart from the standard Ultraboost.

Comparable Shoes


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The Hoka Bondi 5 is a maximalist shoe that offers a high level of cushioning, similar to the adidas Ultraboost X. The Bondi 5 features a thick midsole that provides excellent shock absorption and a comfortable ride. However, the Bondi 5 offers more stability and a more traditional fit, making it a better option for runners who find the floating arch design of the Ultraboost X uncomfortable. While both shoes excel in cushioning, the Bondi 5 is a solid choice for those who need extra support and a more stable ride.

Special versions of adidas Ultraboost X


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The adidas Ultraboost X 3D is a special version of the Ultraboost X that incorporates 3D-printed elements for enhanced support and structure. While the Ultraboost X features a floating arch and Primeknit upper, the Ultraboost X 3D adds a 3D-printed heel frame and midfoot cage for additional stability. This version retains the Boost midsole for excellent cushioning and energy return, but the 3D-printed elements provide a more structured fit. The Ultraboost X 3D is ideal for runners who need extra support and stability without sacrificing the unique design and comfort of the Ultraboost X.

6 adidas Ultraboost X Pros & Cons


3 Pros

Excellent arch support with the unique floating arch design.
Responsive Boost midsole provides great cushioning and energy return.
Primeknit upper offers a snug, sock-like fit.

3 Cons

Fit can feel too tight, especially during longer runs.
Shoe can feel uncomfortably warm when worn with socks.
Outsole wears down more quickly than expected.

In Depth


Upper

The upper of the adidas Ultraboost X is made from Primeknit, a breathable and adaptive material that provides a snug, sock-like fit. This design allows for natural airflow, keeping the foot cool during runs. However, some users have reported that the shoe can feel uncomfortably warm when worn with socks. The Primeknit upper also features a floating arch, which offers adaptive support and a unique feel. This design is particularly beneficial for runners with high arches, as it provides targeted support where it's needed most.

Midsole

The midsole of the adidas Ultraboost X features the brand's Boost technology, which is known for its excellent cushioning and energy return. Made from thousands of TPU (thermoplastic polyurethane) pellets fused together, the Boost midsole provides a responsive and comfortable ride. This cushioning system is particularly beneficial for runners who need extra support and shock absorption during their runs. However, the midsole is slightly heavier compared to other materials, which may be a consideration for those looking for a lightweight shoe.

Outsole

The outsole of the adidas Ultraboost X is made from Continental rubber, which provides excellent traction and durability. The Stretchweb design allows for natural flex and energy conduction, enhancing the overall performance of the shoe. This outsole is particularly effective on road surfaces, making the Ultraboost X a great choice for road running. However, some users have reported that the outsole wears down more quickly than expected, which may affect the shoe's long-term durability.

Size/fit

The adidas Ultraboost X has a unique fit due to its floating arch and Primeknit upper. The shoe is designed to hug the foot, providing a snug and supportive fit. However, some users have reported that the fit can feel too tight, especially during longer runs. It's recommended to try on the shoe in-store or consider going up half a size to ensure a comfortable fit. The shoe works best without socks or with thin, tight socks to avoid bunching and discomfort.

Comfort

Comfort is a key feature of the adidas Ultraboost X, thanks to its Boost midsole and Primeknit upper. The Boost midsole provides excellent cushioning and energy return, making each step feel bouncy and responsive. The Primeknit upper offers a snug, sock-like fit that adapts to the shape of the foot. However, some users have reported that the shoe can feel uncomfortably warm when worn with socks, and the fit may feel too tight for some. Overall, the Ultraboost X offers a comfortable ride for short to medium distances.

Cushioning

The adidas Ultraboost X features the brand's Boost technology in the midsole, which provides excellent cushioning and energy return. This cushioning system is made from thousands of TPU pellets fused together, offering a responsive and comfortable ride. The Boost midsole is particularly beneficial for runners who need extra support and shock absorption during their runs. However, the midsole is slightly heavier compared to other materials, which may be a consideration for those looking for a lightweight shoe.

Breathability

The Primeknit upper of the adidas Ultraboost X is designed to be breathable, allowing natural airflow into the foot chamber. This helps keep the foot cool during runs, especially when worn without socks. However, some users have reported that the shoe can feel uncomfortably warm when worn with socks, which may affect overall comfort. The breathable design of the Primeknit upper is a key feature for runners who prioritize ventilation in their running shoes.

Stability

The adidas Ultraboost X is designed for neutral runners and offers moderate stability. The floating arch provides targeted support for those with high arches, but the shoe lacks some of the stability-focused design features found in other models. This may make it less suitable for runners who require maximum stability during their runs. The TORSION SYSTEM plastic in the midfoot helps resist excessive movement, but overall, the Ultraboost X is better suited for those who prioritize cushioning and responsiveness over stability.

Durability

The durability of the adidas Ultraboost X is a mixed bag. The Boost midsole is known for its long-lasting cushioning and energy return, while the Continental rubber outsole provides excellent traction and grip. However, some users have reported that the outsole wears down more quickly than expected, which may affect the shoe's long-term durability. The Primeknit upper is durable and adaptive, but the overall lifespan of the shoe may be shorter compared to other models due to the wear on the outsole.

Grip

The adidas Ultraboost X features a Continental rubber outsole, which provides excellent grip and traction on road surfaces. The Stretchweb design allows for natural flex and energy conduction, enhancing the overall performance of the shoe. This outsole is particularly effective for road running, offering reliable grip even in wet conditions. However, some users have reported that the outsole wears down more quickly than expected, which may affect the shoe's long-term grip and durability.

Flex

The adidas Ultraboost X offers good flexibility, thanks to its Primeknit upper and Stretchweb outsole design. The Primeknit upper adapts to the shape of the foot, allowing for natural movement during runs. The Stretchweb outsole design enhances flexibility and energy conduction, making each step feel more natural and responsive. This flexibility is particularly beneficial for runners who prioritize a natural feel in their running shoes. However, the floating arch design may take some getting used to for those who are accustomed to more traditional shoe designs.

Who should buy the adidas Ultraboost X?


The adidas Ultraboost X is ideal for female runners who prioritize arch support and a snug fit. It's particularly well-suited for those with high arches, thanks to its unique floating arch design. Runners who enjoy short to medium distance runs and value a responsive, cushioned ride will find this shoe beneficial. The Primeknit upper offers a breathable, sock-like fit, making it a great choice for those who prefer a close, adaptive fit. This shoe is also a good option for runners who appreciate innovative design and are looking for a stylish, high-performance running shoe.

Who should not buy the adidas Ultraboost X?


Runners who require maximum stability or have wide feet may find the adidas Ultraboost X less suitable. The snug fit and floating arch design may feel too tight for some, especially during longer runs. Those who prefer a more traditional shoe design with a connected arch may not appreciate the unique construction of the Ultraboost X. Additionally, runners who are sensitive to heat or prefer wearing socks may find the shoe uncomfortably warm. For those seeking a more stable and supportive shoe, models like the ASICS GT-2000 or Nike Structure may be better options.

adidas Ultraboost X: What's it good for?


The adidas Ultraboost X is well-suited for daily running and road running. Its responsive Boost midsole and adaptive Primeknit upper make it ideal for short to medium distance runs. The shoe's unique floating arch design provides excellent support for those with high arches, making it a great choice for runners who need targeted arch support. The breathable upper and cushioned midsole offer a comfortable ride, making the Ultraboost X a solid option for everyday training.

5 adidas Ultraboost X FAQs


What is the floating arch in the adidas Ultraboost X?

The floating arch in the adidas Ultraboost X is a unique design feature where the arch is disconnected from the sole, providing adaptive support and a unique feel. This design is particularly beneficial for runners with high arches.

Is the adidas Ultraboost X suitable for long-distance running?

The adidas Ultraboost X is best suited for short to medium distance runs. While it offers excellent cushioning and responsiveness, some users may find the fit too tight for longer runs.

Can I wear socks with the adidas Ultraboost X?

Yes, you can wear socks with the adidas Ultraboost X, but some users have reported that the shoe can feel uncomfortably warm when worn with socks. Thin, tight socks are recommended to avoid bunching and discomfort.

Is the adidas Ultraboost X a lightweight shoe?

The adidas Ultraboost X is moderately lightweight, weighing 235 g (8.3 oz). While it is not the lightest shoe on the market, it offers a good balance of cushioning and responsiveness.

What type of runner is the adidas Ultraboost X designed for?

The adidas Ultraboost X is designed for female runners with high arches who prioritize arch support and a snug fit. It is ideal for short to medium distance runs and daily training.

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released
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productAthletes
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Weight
Weight
235 g
255 g
M: 218 g
W: 181 g
M: 238 g
W: 190 g
M: 232 g
W: 179 g
M: 221 g
W: 176 g
Forefoot
Forefoot
19 mm
18 mm
M: 20 mm
W: 18 mm
16 mm
13 mm
Heel to toe drop
Heel to toe drop
10 mm
10 mm
10 mm
8 mm
8 mm
7 mm
Heel
Heel
29 mm
28 mm
M: 28 mm
W: 26 mm
24 mm
20 mm
Usages
Usages
Daily running
Daily runningDaily runningSpeed trainingDaily runningDaily runningDaily running
Brand
Brand
adidas
adidasNikeNikeNikeNike
Strike Type
Strike Type
Heel strike
Heel strikeHeel strikeFore/Midfoot strikeHeel strikeFore/Midfoot strikeHeel strikeFore/Midfoot strikeHeel strike
Shoe Type
Shoe Type
Lightweight
LightweightLightweightLightweightLightweight
Techs
Techs
adidas Ultraboost
Nike Flyknit
Nike Flyknit
Environmental Characteristics
Environmental Characteristics
Vegan β“‹
Vegan β“‹
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adidas Ultraboost X: what the experts say (1 review)

adidas Ultraboost X: 5 Expert video reviews

adidas Ultraboost X characteristics and specifications

Characteristics
SportsRunning (+2002)
TerrainRoad (+1326)
UsagesDaily running (+1102)
Brandadidas (+287)
Support TypeNeutral (+1563)
Pronation TypeNeutral pronation (+1543)
Strike TypeHeel strike (+1067)
Arch TypeHigh arch (+1490)
Shoe TypeLightweight (+401)
Techsadidas Ultraboost (+41)
ColorwaysBlack, Black / Grey, Cblack Cblack Scarle, Cloud White / Light Brown / Onix, Cloud White / Tech Beige / Clay Red, Collegiate Purple / Cloud White /, Core Black / Core Blac, Grey, Gris, Noir
Specificationsvs Average
Model
X
Released
Feb 2017
Measurements
Weight
235 g
Heel to toe drop
10 mm
Heel
29 mm
Forefoot
19 mm

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AuthorTom Green
Tom is the founder of geerly. Based in West London, he found his passion for running in his mid-30s. He’s best at longer distances, and is a regular at the London Marathon, where he's edging closer to sub-2.40. He started geerly because he found it frustrating when shopping for running shoes spending ages trying to find the best deal in his size, and wading through verbose, waffling reviews clearly designed to appeal to search engines rather than be helpful to users. For geerly he's passionate about writing reviews that get straight to the point, and helping runners find the right gear at the best price.
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