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Ultraboost 21

B - Medium
Product Information
With technology that transforms to comfort, the adidas® Running Ultraboost 21 has an innovative new Torsion System that provides a 15% increase in forefoot bending stiffness for a more responsive run.
  • This product is made with Primeblue, a high-performance recycled material made in part with Parley Ocean Plastic.
  • 6% more Boost capsules ready to explode with energy in each step.
  • Sock-like fit.
  • adidas Primeknit+ upper.
  • Supportive heel counter.
  • Stretchweb outsole with Continental™ Rubber.
  • Textile and synthetic upper.
  • Man-made lining, insole and outsole.
  • Imported.
  • Weight of footwear is based on a single item, not a pair.
Ultraboost 21