Arch support
Daily running
M: 354g | W: 309g
Heel to toe drop
M: 10mm | W: 10mm
Heel height
M: 33mm | W: 33mm
Forefoot height
M: 23mm | W: 23mm
Widths available
M: Normal - D | W: Normal - B
Show moreless facts


Shoes best for road, track and light gravel. See the best road shoes.


Shoes best for trail, off road, mountains and other unstable surfaces. See the best trail shoes.

Good to know

As long as you stick to the road or path, and if you want just one running shoe, buy a road running shoe.

Neutral / cushion / high arch

Shoes for runners who does not need any additional arch support (Around 50% of runners). Best for people with high or medium high arches. See the best neutral shoes.

Stability / overpronation / normal arch

Shoes for runners who needs arch support (Around 45% of runners). Best for runners with a normal arch. See the best stability shoes.

Motion control / severe overproanation / flat feet

Shoes for runners who needs a lot of arch support. Best for runners with flat feet. See the best motion control shoes.

Good to know

- Rule of thumb: If in doubt, buy neutral shoes to avoid injuries.
- More about arch support in this video.
- Find your arch type by following steps from this video.

Daily running

Cushioned shoes for your daily easy running. Great comfort. See best shoes for daily running.


Lightweight shoes good for races, interval training, tempo runs and fartlek. Here are the best competition running shoes.

Good to know

If you want just one pair of shoes, buy a shoe for daily running.

The height difference from the heel to the forefoot, also known as heel drop, toe spring, heel to toe spring or simply drop.

There are many opinions about what a good heel drop is. We do not recommend any in particular. Lean more in this video.


We spent 7.6 hours reading reviews from experts and users. In summary, this is what runners think:

7 reasons to buy

  • The Formotion Technology in the Response 21 GTX offers runners superior heel lockdown on rugged trail and enhances a softer landing.

  • The Adidas Response 21 GTX works like a dream with a MiCoach Sensor.

  • A couple of testers felt that the shoe runs lighter than its weight.

  • The same testers consider the Response 21 GTX as a rugged trainer that can pile on the miles as well.

  • Some runners coveted the shoe’s grip on difficult trail surfaces, even when it gets damp or wet.

  • The Gore-Tex feature sheds off water.

  • A handful of runners loved the shoe’s comfortable fit.

2 reasons not to buy

  • Several runners observed that the Adidas Response 21 GTX is a bit stiff.

  • A few runners were disappointed because it needs break-in.

Bottom line

The Adidas Response 21 GTX weighs about as heavy as most shoes of the same type and features. However, it runs rather light, which makes it a doable option for high-mileage runs. With good arch support, sufficient stability, and superior durability, runners can have a really great trail shoe without breaking the bank.

World wide, Response 21 GTX is in the bottom 20% most popular running shoes. The brand, Adidas, is the 3rd most popular.

Map: Shows popularity per continent based on 1010 shoes


3.4 / 5 based on 26 ratings

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Expert reviews

Experts are running shoe geeks, who post reviews at youtube, directly at RunRepeat or at their own websites. Each expert is categorized from level 1 to level 5 based on expertise. See stats on expert reviews and how we calculate scores here.

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These are visual presentations, not reviews

Updates to Response 21 GTX

The 21st version of the Adidas Response GTX is a running shoe that’s crafted to deliver reliable performance on the trails. Its components and features were built to give the runner security, comfort and durable protection when tackling the off-road paths. It’ll give an efficient and competent performance for those who need a trusty shoe to add to their adventure gear.

A waterproof membrane has been added to work in tandem with the breathable and comfortable fabrics. Synthetic overlays hug the foot snugly and the inner sleeve keeps moisture at bay. When the runner wears this shoe, they’re going to feel dry and cool.

The platform of this running shoe was created to give the runner a very responsive and comfortable underfoot experience. It has a bounce-back mechanics, so it keeps the runner enabled & propelled to move forward in a smooth and efficient way.

Protection from wear and abrasion is one of the most important purposes of a running shoe’s outsole. The Response 21 GTX uses proprietary technologies, which allow the mid-sole to be well-protected from the damaging nature of the surfaces. High level traction is also afforded and it functions well even in wet ground.

Response 21 GTX size and fit

The Adidas Response 21 GTX has a standard running shoe length. It is available in sizes that adhere to the measurements for men and women. The width is medium, so it accommodates those with feet that are medium-sized. This shoe’s semi-curved shape allows the natural curvature of the foot to acclimate well to it.


The ADIWEAR® is a non-marking rubber technology that’s placed along the perimeter of the Adidas Response 21 GTX. This durable material keeps the shoe protected from abrasion and wear as the runner traverses the unpredictable and harsh terrain.

The Adaptive TRAXION™ gives the runner high-level grip on all types of surfaces and surface conditions. Featuring multi-directional cleats, this layer is able to handle slopes, slippery surfaces and wet ground.


The mid-sole unit uses a high quality foam to bring long-lasting cushioning that’s responsive and comfortable. From the moment the runner steps on the platform, they’re going to feel well-supported. The foam gives a springiness to each step, making the runner feel a propelling energy that keeps the foot moving forward.


The air mesh is the main upper unit material for the Adidas Response 21 GTX. It’s a soft and responsive fabric that has an open construction. It allows air to seamlessly enter the shoe to maintain a well-ventilated interior environment.

Synthetic overlays give structure to the upper. They’re stitched onto the main mesh material. Their durable nature protects the shoe and the foot from debris. Connected directly to the lacing system, they adjust the fit of the shoe by reacting to the tightening and loosening of the shoelaces.

The inner sleeve of this running shoe uses a soft textile that is able to keep moisture away. It maintains a dry and odor-free inner wall to keep the foot comfortable at all times.

The GORE-TEX® membrane is a waterproof technology that protects the shoe & the foot from water infiltration. It’s one of the materials on the market that delivers sure and consistent shielding from wetness. It retains the breathable nature of the main upper fabric.


Comparison to category means
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