Verdict from 41 user reviews

5 reasons to buy

  • According to several runners, they loved its top-quality construction.
  • A few testers lauded the shoe's snug fit.
  • A few testers said that the shoe was comfortable.
  • Many buyers commented that the Mizuno Wave Rider 21 GTX is a great running shoe because of its excellent performance.
  • A good number of purchasers admired its design.

2 reasons not to buy

  • Some runners said that the shoe has a narrow toe box.
  • The upper area is stiffer when compared to previous models, according to one of the testers.

Bottom line

A good number of wearers commented that the Mizuno Wave Rider 21 GTX was a great running shoe. Aside from its structure and design, they admired the comfort it provided. Although several of them said that the upper section is stiff, others still recommended the shoe because of its quality. In general, the majority of the runners said that the Mizuno Wave Rider 21 GTX is the best choice for those who are looking for a comfortable and high-quality running shoe.

Tip: see the best running shoes.

Good to know

  • The Mizuno Wave Rider 21 GTX is a road running shoe that is intended for runners who have neutral foot motion. The updated Dual Zone engineered mesh that is placed in the forefoot aims to respond to the foot's natural movements.
  • The midsole utilizes the Cloudwave material. It consists of a thermal plastic wave that runs through the heel to the midfoot area.
  • This reliable waterproof running shoe also uses the new Premium Anatomical Sockliner. This material aims to deliver a softer underfoot feel.

The waterproof version of the Mizuno Wave Rider 21 follows the standard shoe measurements when it comes to sizing. The shoe is ideal for those who want to excel in extended road running activities. The engineered mesh, adapts to the natural shape of the foot and offers a distraction-free fit. The available widths are D - Medium for the men's version and B - Medium for the women's version.

The X10 is used in the Mizuno Wave Rider 21 GTX. This durable material is made up of carbon rubber. It is strategically placed in the rear section to shield the platform from wear and tear. It also provides added traction on different paved surfaces.

In the forefoot section lies the blown rubber. It provides additional cushioning and responsiveness. Because of its flexibility, it will not make the platform stiff as well.

Flex Controllers are also incorporated in the Mizuno Wave Rider 21 GTX. These materials aim to provide added flexibility. Along with the SmoothRide system, a smoother transition throughout the gait cycle is also delivered.

Running from the heel to the midfoot area is the Cloudwave. This material consists of redesigned thermal and elastic-plastic wave that aims to provide a more bouncy and well-cushioned ride.

A gender-specific network of grooves called the Smooth Ride is utilized in the Mizuno Wave Rider 21 GTX. It allows the foot to minimize its rapid deceleration and acceleration. As a result, a smoother heel-to-toe transition is experienced by the runner.

A resilient ride is offered by the U4ic. It is a foam unit that runs through the entire length of the Mizuno Wave Rider 21 GTX. This lightweight midsole material improves durability. It provides additional comfort and cushioning as well as optimal shock absorption.

The U4icX Heel Wedge is described as a more cushioned and lighter version of U4ic. This component of the shoe delivers a softer underfoot feel throughout the activity.

U4icX Strobel Lasting board is integrated into the Mizuno Wave Rider 21 GTX. This material offers a more cushioned and comfortable underfoot feel.

A soft underfoot comfort is encouraged by the Premium Anatomical Sockliner. It also helps in providing a natural fit.

Creating an upper that can withstand a wide variety of weather conditions is delivered by the GORE-TEX lining. This waterproof material is breathable and lightweight in structure.

The Dynamotion Fit technology is also featured in the shoe. It uses a stretchable material in the forefoot area to allow the upper to follow the foot's natural shape and motion. The collar construction is reinforced as well. As a result, the heel collar is prevented from buckling over time.

Better responsiveness to the foot movements is encouraged by the Dual Zone engineered mesh. This updated material in the forefoot area aims to provide a distraction-free fit.


How Mizuno Wave Rider 21 GTX ranks compared to all other shoes
Top 1% road running shoes
All road running shoes
Bottom 1% Mizuno running shoes
All Mizuno running shoes
Bottom 1% waterproof running shoes
All waterproof running shoes


The current trend of Mizuno Wave Rider 21 GTX.
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Jens Jakob Andersen
Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.