Sneakers & Athletic Shoes Ultraboost 21

Ultraboost 21

• With technology that transforms to comfort, theadidas® 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.
• Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size.
• Weight of footwear is based on a single item, not a pair.
• Measurements:
  Weight: 11 oz