adidas Women's Ultraboost 1.0 Sustain Running Shoes - Eco Boost

In this review of the adidas Women's Ultraboost 1.0 Sustain, the bottom line is simple: these are for female runners and everyday wearers who want a plush, energy-returning ride with an eco-minded upper. The shoe's defining strength is the BOOST midsole, which delivers a lively, cushioned feel that keeps steps springy during runs or long days on foot. While the knit upper and lightweight construction make them comfortable and stylish, potential buyers should note mixed fit feedback and some reports of slip resistance and foot discomfort in particular situations.

Key Features

• BOOST midsole: Provides high energy return and a responsive, cushioned ride that helps reduce fatigue during longer runs or extended wear.
• PRIMEKNIT upper: Precision-engineered fabric offers a snug, adaptive fit that moves with the foot for a secure yet flexible feel.
• Stretchweb outsole: The flexible outsole design lets the shoe flex naturally with each stride, contributing to a smoother, energized gait.
• Continental Rubber: The officially licensed Continental Rubber delivers improved traction on many surfaces for more confident footing.
• Parley Ocean Plastic yarn: The upper contains at least 50% intercepted ocean plastic, reducing waste while maintaining high-performance material properties.
• Lightweight construction: The shoe's overall light build reduces carry weight for a less tiring run or all-day wear.

Who It's For

The Ultraboost 1.0 Sustain suits women who prioritize cushioning and energy return for road running, daily training, or all-day comfort in casual settings. Runners who want a plush toe-to-heel transition and a knit upper that adapts to foot shape will appreciate the combination of BOOST and PRIMEKNIT.

Those who need a very wide toe box, specialized orthotic support, or guaranteed slip-resistant pull-on ease may want to try alternatives, as some customers report the toe area runs narrow and that the shoes can be tricky to pull on and less slip-resistant in wet conditions.

Pros & Cons

Pros

• Exceptional energy return and cushioning from the BOOST midsole for comfortable long wear.
• Adaptive, lightweight PRIMEKNIT upper that feels breathable and stylish for everyday use.
• Sustainable upper yarn with Parley Ocean Plastic reduces environmental impact without sacrificing performance.
• Stretchweb and Continental Rubber outsole give confident traction and a natural flex.

Cons

• Fit can be mixed; some users find the toe runs narrow and may experience discomfort without trying on first.
• Some reports note reduced slip resistance in certain conditions and difficulty pulling the shoe on.

Specifications

Our Verdict

The adidas Women's Ultraboost 1.0 Sustain is a strong pick for women who want a cushioned, responsive running shoe that doubles as a comfortable everyday sneaker and supports sustainability. It represents good value for buyers who prioritize energy return and a knit fit, though prospective purchasers should try them on to verify toe width and traction for their needs.

Frequently Asked Questions

Are these shoes good for long runs?
Yes, the BOOST midsole provides cushioning and energy return suitable for longer road runs and extended wear.

Is the upper made from recycled materials?
Yes, the upper uses high-performance yarn with at least 50% Parley Ocean Plastic combined with recycled polyester.

Do they run true to size?
Fit is mixed; some customers report a narrower toe area so trying them on or ordering a known size is recommended.