adidas Women's Ultraboost 21 Running Shoes - Lightweight Cushioned Sneakers for Jogging, Gym Workouts & Daily Wear | Best Comfortable Athletic Shoes for Women

These women's Ultraboost shoes are designed to give runners the comfort and responsiveness they need. An adidas Primeknit upper is stretchy and has a sock-like fit. A Linear Energy Push system increases forefoot and midfoot stiffness. The S-curve heel eliminates slip, and the signature Boost cushioning returns energy to your stride.

Women's best-in-class running shoes built for maximum comfort and energy return on all types of runs

Sock-like fit hugs the foot; Boost midsole for responsive energy return

Stretchweb outsole flexes naturally for an energized ride, and Continental Rubber gives you superior traction

This product is made with Primeblue, a high-performance recycled material made in part with Parley Ocean Plastic. 50% of the upper is textile, 75% of the textile is Primeblue yarn. No virgin polyester.