Designed for comfort and responsiveness the adidas® Ultraboost 21 running shoes will not disappoint. Linear Energy Push system increases forefoot and midfoot stiffness for added energy push with each step while a responsive Boost cushioning returns energy to your stride

Design:

• adidas® Primeknit+ textile upper

In-Shoe Comfort:

• Boost midsole for amazing energy return and comfort

Durability and Traction:

• Stretchweb outsole adapts to ever runners foot strike to provide a smoother and more flexible ride
• Continental™ Rubber provide superior grip in all weather conditions

Additional Details:

• Designed with high-performance Primeblue recycled materials
• Shoe Type: Neutral
• Previous Model: Ultraboost 20
• Weight: 12 oz