Our verdict


The Adidas Pureboost is a daily trainer that's comfy and energetic; your everyday runs will come to life. It only If you're looking for a cheaper alternative to the Ultraboost, but with the same level of comfort and energy return, the Pureboost 21 from Adidas is an excellent choice. Although it's only billed as a daily trainer, it's also a great pick if you want comfort in your walks and gym sessions.


  • Springy
  • Cushy
  • Lightweight
  • Lockdown fit for wide feet
  • Stable
  • Spacious toe room
  • Breathable
  • Environmentally friendly
  • Stylish


  • Not for narrow feet
  • Tongue rubs the skin

Who should buy the Adidas Pureboost 21

Sporting its comfortable and responsive Lightsrike foam, the Pureboost 21 is an out-and-out running shoe for:

  • neutral runners and road runners
  • easy days, jogs, or walks
  • runners who want a cheaper but just as responsive alternative to the Adidas Ultraboost

Adidas Pureboost 21 heel clutch

Who should NOT buy it

If you want to set/break records, the Adidas Pureboost 21 won't meet the bill. Consider these speed trainers instead. And if you're looking for a shoe for narrow feet, consider the Brooks Levitate 6.

Pureboost 21 vs. predecessors: What's changed? 

  • More support: It has a wider base that keeps your steps steady and stable. 
  • Better ground feel: This is because of the lessened Boost foam, allowing better navigation underfoot. 
  • Less heel reinforcements: It's both a good and a bad thing. Good because it's less harsh to the heel. Bad because it means less support. And true enough, there have been reports of heel slips and movements. 

Brings the fun to your run

According to runners, the Pureboost 21 is soft and bouncy.

Adidas Pureboost 21 midsole

Home to the feet

It's much cushier than the Ultraboost. Many find it very comfortable, it's like walking on air. 

Adidas Pureboost 21 support

The Adidas Pureboost 21 cuts down weight

There are NO reports of the shoe dragging the foot down. 

Slips should not be a concern

For wide-footed runners, the shoe's fit is snug. To them, it fits "like a glove." 

It's your friend when cornering

Because of the shoe's wide base, it allows surefooted steps even on sharp turns. 

Adidas Pureboost 21 outsole

A toe room that won't disappoint

Droves of testers find the toe space very roomy; there's more than enough space that allows for wiggling and splaying of the toes.

Adidas Pureboost 21 toe box

The Pureboost 21 beats the heat

Even under humid warm conditions, the shoe never feels hot. 

Adidas Pureboost 21 breathability

A stunner

Users highly appreciate the shoe's attractive, eye-catching, and stunning style and colorways. 

Taking a step toward sustainability 

Made with Primeblue materials, the Adidas Pureboost 21 takes part in the brand's initiative to end plastic waste by 2024. 50% of its upper is made with recycled materials. 

Adidas Pureboost 21 sustainable

A warning to the narrow-footed runners

This is especially true for narrow-footed runners. According to them, the shoe is a tad too big for their feet; they experienced slips. 

Rough on the skin

Those who have gone sockless in the Pureboost claimed that the tongue "rubbed against" their skin. 

Adidas Pureboost 21 fit