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Adidas Ultraboost 21 vs. Brooks Glycerin 19: Battle of the Titans

Looking for a premium running shoe, but torn between Adidas Ultraboost 21 and Brooks Glycerin 19? Let's lace up and dive into the nitty-gritty of these two renowned brands.

Adidas Ultraboost 21

Imagine sliding your feet into clouds; that's the Adidas Ultraboost 21 for you. These aren't just shoes; they're a commitment to your comfort. Whether you're running a marathon or running errands, they ensure your feet gets the luxury they deserve.


  • Primeblue Material

    Sustainably made, it's 50% recycled which feels good for your feet and conscience.

  • Responsive Boost Midsole

    Every step has a bounce, making walks and runs more enjoyable.

  • Supportive Heel Counter

    Provides optimal support and offers a snug fit for your foot.

  • Torsion System

    Balances flexibility and stability, adapting to the ground and boosting push-off.


  • Price Point

    Quality comes with a price; they’re a bit on the pricier side.

  • Maintenance

    The bright colorways might require regular cleaning.

  • Breathability

    Might feel slightly warmer in hot conditions.

  • Wear Over Time

    The sole may flatten a bit after extensive use.

Brooks Glycerin 19

Ever dreamt of running on marshmallows? Brooks Glycerin 19 pretty much feels like that. It isn’t just a shoe. It's an experience. These sneakers are designed for those long runs and offering an unparalleled comfort you’ve never felt before in shoes.


  • Plush Fit

    Features a super soft cushioning for maximum comfort during your run.

  • Breathable

    Upper mesh design ensures that your feet remain fresh.

  • Sturdy Design

    Built for durability, ensuring you get value for every dime.

  • Flexible Outsole

    Gives you the traction needed for various terrains, making sure you’re always in control.


  • Weight

    They're slightly heavier compared to other running shoes.

  • Price

    Quality comfort comes at an expense. It might not fit every budget.

  • Color Limitation

    Range of colors might not be as vast as you'd like.

  • Break-In Period

    It might take a little time to adjust and get the perfect feel.

Which is more cushioned for longer runs?

Brooks Glycerin 19 offers a bit more cushioning, ideal for those long runs.

Is Adidas Ultraboost 21 good for flat feet?

Yes, the Ultraboost 21 offers decent arch support, making it suitable for flat feet.

How is the breathability of Brooks Glycerin 19?

The Brooks Glycerin 19 provides good breathability, keeping feet cool during runs.

Which has a more responsive sole?

Adidas Ultraboost 21 is known for its responsive Boost midsole, giving a springy feel.

Are they true to size?

Generally, both fit true to size, but always best to try them out in store first.


What are the alternatives to Adidas Ultraboost 21 and Brooks Glycerin 19 ?

Nike Air Zoom Pegasus 38

A versatile running shoe with an emphasis on comfort and performance.

you can checkout this link : Nike Air Zoom Pegasus 38

Saucony Ride 14

Popular for its soft cushioning, it's a reliable choice for daily training.

you can checkout this link : Saucony Ride 14


Whether you're after Adidas's bounciness or Brooks's cushion, both shoes stand tall in the running community. Choose based on your unique needs and hit the track with confidence.

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