adidas Ultraboost 21

CUSHIONED RUNNING SHOES MADE FOR ULTIMATE ENERGY RETURN.
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.

HIGHLIGHTS:
ADIDAS LEP
The new Torsion System provides a 15% increase in forefoot bending stiffness for a more responsive run.

INCREDIBLE ENERGY RETURN
6% more Boost capsules ready to explode with energy in each step.

PRIMEBLUE
This product is made with Primeblue, a high-performance recycled material made in part with Parley Ocean Plastic.

SPECIFICATIONS:
Sock-like fit
Lace closure
adidas Primeknit+ upper
Textile lining
Supportive heel counter
Boost midsole
Weight: 10.9 ounces
Midsole drop: 10 mm (heel 30.5 mm / forefoot 20.5 mm)
Stretchweb outsole with Continental™ Rubber
Primeblue
Imported
Product color: Ice Purple / Ice Purple / Rose Tone
Product code: S23843