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  • UltraBoost 21
  • UltraBoost 21
  • UltraBoost 21
  • UltraBoost 21
  • UltraBoost 21
  • UltraBoost 21
  • UltraBoost 21
  • UltraBoost 21

UltraBoost 21

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Detail

Prototype after prototype. Innovation after innovation. Testing after testing. The pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return.

  • Sock-like fit
  • Lace closure
  • adidas Primeknit+ upper
  • Textile lining
  • Supportive heel counter
  • Boost midsole
  • Weight: 340 g
  • Midsole drop: 10 mm (heel 30.5 mm / forefoot 20.5 mm)
  • Stretchweb outsole with Continental Rubber
  • Primeblue
  • Imported
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