Energy was just energy until energy met Ultraboost 21!

Prototype after prototype. Innovation after innovation. Testing after testing. Meet us in the hot pursuit of the pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return.

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adidas linear energy push

The new Torsion System provides a 15% increase in forefoot bending stiffness for a more responsive run. This mainly affects the stiffness of foot and tibia. Thanks this technology makes tendons work as a spring without taking you any extra energy. Larger stiffness of muscles = less consumption of energy during same pace.

Boost sole just got another upgrade

Adidas Boost technology is a product of the adidas Innovation Team (AIT) and German chemists BASF. It was created to bring together the formerly contradictory benefits of soft and responsive cushioning. Ultraboost 21 has so far the biggest support of this technology, when the difference between first released model and the newest model makes unbelievable 25%. The maximum comfort is the definition of the new Ultraboost.

Ultraboost 21

Primeknit upper

The adidas Primeknit upper is specially made in one piece, so that it naturally adapts to the foot of each runner when running. It is a comfortable, secure and close-fitting material that guarantees breathability and maximum ventilation.

Primeblue material

This product is made with Primeblue, a high-performance recycled material made in part with Parley Ocean Plastic, which uses discarded plastics from the ocean.

Doesn´t matter whether you are experienced runner or total beginner, the Ultraboost 21 will boost you with energy anyway. The saved energy will give you extra strength, which will be displayed at each training. And who doesn´t need more energy in today´s world.

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