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The Excellent Running Shoes in 2021

Today, let’s look back the nice running shoes which were released in 2021.
Carbon Fiber Running Shoes–Asics MetaSpeed Sky
There are many carbon fiber running shoes which have been released in 2021, such as Asics MetaSpeed Sky/Edge, Saucony Endorphin Pro 2/+, Adidas adizero adios Pro 2, New Balance FuelCell RC Elite V2, On CloudBoom Echo, and NIKE Vaporfly NEXT% 2 etc. Saucony Endorphin Pro 2 and NIKE Vaporfly NEXT% 2 only adjust the vamp based on previous generation. So we don’t talk about them today.

Adidas AdiZero Adios Pro 2 and Asics MetaSpeed Sky are two of the standouts running shoes of the year 2021. But the performance of the running shoes also needs to consider the feeling of common runners. For the overall performance and comprehensive experience, it’s undoubtedly that Asics MetaSpeed Sky is the better one.

Asics MetaSpeed Sky uses the new developed insole foam FF Blast Turbo. It’s more resilient and softer than adidas adizero adios Pro 2. It doesn’t have high request for the strength of foot.

Asics MetaSpeed Sky is the closest model to Nike Vaporfly NEXT%.

Speed Training Shoes- -New Balance FuelCell Rebel V2
There are also many speed training shoes which are released in 2021, such as Saucony Endorphin Speed 2, New Balance FuelCell Rebel V2, HOKA ONE ONE Mach 4 and Puma Electrify Nitro etc. The most satisfied one is undoubtedly FuelCell Rebel V2.

FuelCell Rebel V2 has two advantages:
1.Lightweight and good air permeability: the unit weight of US9 is 206g. As a pair of training shoes, the weight is light. The vamp uses single layer of grenadine. The air permeability is good.

2.The sole is soft, resilient and comfortable. The FuelCell foam has been adjusted to be soft and resilient. The cushion performance is good when jogging. And we can also feel the obvious resilience if run fast.

If you are unsatisfied at FuelCell Rebel V2, then Saucony Endorphin Speed 2 is also suitable for training. The performance is excellent.
Daily Training Shoes- -Asics Novablast 2
The daily training shoes which have been released in 2021 includes Nike Pegasus 38, adidas adizero Boston 10, Asics Novablast 2, Saucony Triumph 19, HOKA ONE ONE Rincon 3 and HOKA ONE ONE Clifton 8 etc.

The reason why we choose Asics Novablast 2 is, as a pair of training shoes, the overall performance is good, it can satisfy the request of daily training.

The unit weight of US9 is 269g. The drop height of the forefoot sole and shoe heel is 8mm. It’s not light, but also not heavy. Asics Novablast 2 uses FF Blast material for the insole. Comparing with previous FlyteFoam, it’s lighter and the resilience is better. The colorway of Asics Novablast 2 also looks better than previous Asics running shoes.
Jogging Shoes– HOKA ONE ONE Bondi X
With the carbon plate, the HOKA ONE ONE Bondi X can keep the good cushion and stability. Not matter daily dressing or jogging, we can feel that the shoes is stable and can offer enough cushion performance. But the disadvantage of Bondi X is the weight. It’s a little heavy.
Stability series running shoes–Nike Infinity React Run 2
The 2021 released stability series running shoes includes Nike Infinity React Run 2, Asics Kayano Lite 2, New Balance FuelCell Prism V2, Nike Infinity Miler and Saucony Endorphin Shift 2 etc. The overall performance of Nike Infinity React Run 2 and Asics Kayano Lite 2 are better.

As I really like the Nike Infinity React Run 1, I have better first impression for Nike Infinity React Run 2. Nike Infinity React Run 2 uses thicker knitted vamp. The mid-sole position uses flywire to reinforce. So the fitness and comfort level of Nike Infinity React Run 2 is better than React Run 1.

The only problem of Nike Infinity React Run 2 is the air permeability. It’s unsuitable for running in Summer. But it will be perfect to run in Autumn and Winter. The price is also cheap.
Surprising running shoes series–PUMA NITRO series
Comparing with the other 2021 running shoes, PUMA Nitro series running shoes are definitely the most surprising one. PUMA released 6 models of running shoes with the Nitro technology insole.
1.PUMA Magnify Nitro is designed for heavy weight runners and the new runners.

2.Daily training models: Velocity Nitro & Electrify Nitro.

Velocity Nitro

Electrify Nitro
3. Deviate Nitro has built-in full-length carbon fiber plate for long distance training.

4. Deviate Nitro Elite is designed for top-level elite runners

5. Voyage Nitro is designed for cross-country running.

The 6 models of running shoes can satisfy the request of different runners. Moreover, the appearance is great.
We look forward that each brand can develop more nice running shoes in 2022. We can also see more shoes which are exciting and can’t wait to say ‘SHUT UP AND TAKE MY MONEY’.

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New Balance FuelCell Rebel V2 VS FuelCell Prism V2

New Balance released two pairs of running shoes this year, that is,  FuelCell Rebel V2 and FuelCell Prism V2.

FuelCell Rebel V2FuelCell Prism V2

Both of them use the New Balance exclusive insole technology FuelCell. Below is the comparisons of FuelCell Rebel V2 and FuelCell Prism V2.

  1. Both of FuelCell Rebel V2and FuelCell Prism V2 are advanced training shoes of New Balance.
  2. The insole thickness of FuelCell Rebel V2and FuelCell Prism V2 are same. The height of forefoot sole is 24mm and the rear sole is 30mm. The drop height is 6mm.

FuelCell Rebel V2

FuelCell Prism V2

  1. Although both of them use FuelCell foam, but Rebel V3 is more soft and resilient. And Prism V2 is more stiff and elastic.
  2. For the weight, the unit weight of US9 Rebel V3 is about 204g and the weight of US9 Prism V2is about 270g.

FuelCell Rebel V2

FuelCell Prism V2

  1. Except the difference of insole, the difference of the weight is mainly due to the vamp and outsole.

Comparing with Rebel V2, the rubber of Prism V2 is thicker.

The vamp of Prism V2 is thicker than Rebel V2.

  1. Th thick vamp and outsole of Prism V2 has better durability. And the comfort level and fitness is better. Certainly, the lightweight and air permeability of Rebel V2 is better.

FuelCell Rebel V2

FuelCell Prism V2

  1. The insole of Prism V2 has special supporting design. The supporting performance of Prism V2 is better than Rebel V2.
  2. AsRebel V2 is soft and resilient, it can be used for jogging for beginner. And the Prism V2 is stiff and resilient, it’s more suitable for aerobic and temp training, it has higher request for runners to jogging.

FuelCell Rebel V2

FuelCell Prism V2

  1. The price of FuelCell Rebel V2and FuelCell Prism V2 are the same.
  2. If you prefer to lightweight training shoes and soft and elastic insole, you can choose Rebel V2. If you want a pair of advanced training shoes, you can choose Prism V2.
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New Balance FuelCell Rebel V2 Performance Review

Most of runners are familiar with New Balance FuelCell Rebel running shoes. The first FuelCell Rebel series running shoes are released in 2019.

The shoebox is still red and printed with white NB logo.


The main colorway is yellow and white.

Let’s have a look at the lateral viewing angle of vamp. The vamp is made of yellow and white tulle. The side vamp is decorated with blue N logo. It can increase the stability of vamp.

The inboard of vamp, the rear part also has a blue N logo.

The viewing angle of shoe head has asymmetrical crashworthy design which is mainly on the position of toes. The crashworthy shoe head has NB logo.

The viewing angle of heelpiece, the middle heelpiece is decorated with a red line. The heelpiece has built-in TPU to increase the strength.

The outsole is made of three different materials and it’s divided into 4 parts.

There is a piece of black U shape rubber plate which covers the periphery of forefoot sole improves the abrasive resistance. The pattern is twill weave with triangular groove design. The middle forefoot sole is yellow rubber plate. The pattern is triangle embossing patter, twill weave and triangle hollow-out. We can see the white foam of insole from the hollow-out design, it offers the abrasive resistance and traction performance.

The inner side and outer side of arch have anti-skidding modules.

The outboard part of arch insole has obvious raised design. It’s different with the arch design of traditional running shoes.

This kind of design can offer a good protection to the foot when running. It improves the resilience of the shoes.

The density of heelpiece rubber outsole is high, the stiffiness is also the strongest. The pattern is still diagonal strip and sunk triangle combination. The outboard area is big, it can offer better abrasive resistance.

The insole uses transparent white foam design. That is FuelCell technology.

The FuelCell technology was developed by New Balance Innovation Design Studio. As the official declared, it has the strongest propulsion and energy feedback. New Balance released the first pair of running shoes with FuelCell technology in 2017.

The outboard of insole has a piece of laser plate which has ‘new balance’ and the series ‘FUELCELL’.

Let’s have a look at the vamp, the vamp is made of integrated knitted mesh fabric.The fitness, appearance and air permeability is good.

The shoelaces position is reinforced by hot-melting coating. The shoelaces holes are flat type. Both of the appearance and anti-skid resistance have been improved.

The shape of shoe tongue is designed according to the foot type. It’s thin and ventilated.

The suture line is good.

The shoe-pad uses classic double layers design. The upper layer fabric is anti-skidding and the bottom layer foam has cushion performance.

The inner side of shoe head is added with a piece of cambered cushioning lining. It’s comfortable after wearing.


  1. As a pair of light running shoes which uses the NB core cushioning technology FuelCell. It’s comfortable.
  2. Appearance: The yellow and white colorway is suitable for wearing in Summer. The appearance is nice. The thin mesh fabric vamp has good air permeability.
  3. The cost performance is good.
  4. It has good anti-skidding performance. I used to run after raining, the anti-skid resistance is good.