The Adidas Ultraboost 21 represents a significant evolution in the Ultraboost line, focusing on achieving a harmonious balance of weight, cushioning, and responsiveness. This iteration aims to deliver exceptional energy return for runners.

• 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 construction
• Colorway: Blue / Cloud White / Gold Metallic