Adidas Ultraboost 20 Review

adidas ultraboost primeblue

Ultraboost 20 Review: Prime Blue Shoes

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Okay so let’s get one thing out of the way right now. I bought the Adidas Ultraboost 20 purely based on the way they looked.  Once I spotted these navy blue shoes with pink accents, I knew I had to get them. 

It just so happens that they’re one of the most comfortable pairs of shoes that I own. 

These shoes are for you if you’re looking for:

  • Comfort
  • Support
  • A fashionable shoe
  • Something to wear for easier, slow paced runs

Ultraboost 20 Review


In my opinion, the Ultraboost 20 had a good amount of cushion and fit tight like a sock. Even though the fit was snug, they were still breathable.

I didn’t feel like my foot was suffocating or overheating – which is important for me since I’m currently dealing with these summer runs in Texas.  

My feet had a lot of room due to the wide toe box. Although I have narrow feet, I think it would also fit great for those with wide feet and neutral arches.  I appreciated the extra support during my easy runs which could be due to Adidas’ Stabilizing Torsion system and rubber outsole.

For women, the Ultraboost 20s are weighing in at an average of 10.9 ounces. So, if you’re looking for a lightweight shoe to run in for your easy days, I don’t recommend these.

If you use them to train while running hills or providing a bit more resistance into your workouts then they’ll perform great. Rotate these with a pair of lightweight shoes for speedwork and you’ve got yourself a dynamic duo.


It took me about two weeks to break the Ultraboost 20s in. I will be honest and say that after the first two runs, I experienced blisters and had to take some time off to let them heal. 

Once they were broken in, I didn’t experience any more issues. I’ve worn these shoes in the rain, summer heat, and “ideal” weather conditions and they’ve proven to be durable and have enough traction for road training.


I immediately fell in love with my ocean blue shoes when I saw them. There are over 20 colors to pick from to match whatever vibe or outfit you are feeling.

All of the shoes are made with Primeblue which is a high-performance recycled material that is made partially with Parley Ocean Plastic. 

Ultraboost 20 vs Ultraboost 21

Adidas Ultraboost 20 (top) compared to Adidas Ultraboost 21 (bottom)
Ultraboost 20Ultraboost 21
Toe FitNarrow toe boxNarrow toe box
Overall FitSock-like fit. Size up if you prefer wider shoes.Sock-like fit and true to size. Size up if you prefer wider shoes
StyleAvailable in over 20 colorsAvailable in 19 colors

Main Differences in Ultraboost 21

More Foam = More Weight

While the Ultraboost 21s are the latest from Adidas’ popular line, they are slightly heavier than the Ultraboost 20s. This is due to the extra foam in the midsole that was created to provide more comfort – especially for heel strikers. 

If you’re interested in trying out a pair, Adidas has a great return policy. You can try the Ultraboost 21 for 30 days and return it for FREE if you don’t like them (as of 4/30/21).

Final Thoughts About Ultraboosts

Overall, these shoes have great colors and provide the support and comfort needed for your runs. As we move towards more eco-friendly lifestyles, you can appreciate the Parley Ocean Plastic as part of the shoe material.

They aren’t the lightest of shoes, but when you are getting comfort and support which can’t be beaten. Plus, these shoes have great designs and come in a variety of colors.

The price is comparable to most running shoes, but if you’re looking to save a few coins, I recommend buying the Ultraboost 20s (or even Ultraboost 19s if you can find them) to save a couple of bucks.

Let me know if you decide to try a pair of Adidas Ultraboost 20s or Ultraboost 21s!

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