New Balance Women's Fresh Foam X 840f V1 Running Shoe (Style SXC9)

In this review the New Balance Women's Fresh Foam X 840f V1 Running Shoe is assessed as a daily trainer for runners and anyone who spends long hours on their feet. The bottom line: it delivers standout underfoot cushioning thanks to the Fresh Foam X midsole, which makes it a smart choice for people with plantar fasciitis, arch pain, or anyone who prioritizes comfort without sacrificing a breathable, lightweight upper. Fit can vary, so try before committing if you are between sizes.

Key Features

• Fresh Foam X midsole: Provides the most cushioned Fresh Foam experience in this line for long-lasting comfort and impact protection during runs or long days on concrete.
• No-sew synthetic upper: Offers a smooth, irritation-free fit with supportive overlays that reduce hot spots and keep the shoe feeling light.
• Synthetic mesh construction: Improves breathability and keeps the shoe lightweight for everyday wear or steady road running.
• No-sew mid-foot support: Helps stabilize the foot through the gait cycle while maintaining a streamlined, comfortable fit.
• Approximate 4 mm drop: Provides a modest heel-to-toe differential that balances cushioning with a natural foot position; note the 4 mm is approximate.

Who It's For

The 840f V1 is ideal for recreational road runners, walkers, and anyone seeking extra cushioning for foot pain relief, including people with mild plantar fasciitis who need reliable arch support and a soft ankle collar. It also fits well as an athleisure pick for commuters and those who want a comfortable shoe for all-day wear.

Runners seeking a racing flat, minimal drop specialists, or those who require highly structured motion control should look elsewhere; this shoe emphasizes cushioning and comfort over lightweight race speed or aggressive stability features.

Pros & Cons

Pros

• Excellent underfoot cushioning from the Fresh Foam X midsole reduces impact and improves comfort for extended wear.
• Breathable synthetic mesh upper keeps the shoe lightweight and comfortable in warmer conditions.
• No-sew construction and mid-foot support deliver a smooth fit without irritation.
• Customers report reduced foot pain and strong arch support, making it a good option for sensitive feet.

Cons

• Fit is inconsistent across users: some find the shoe roomy while others feel it runs small, so sizing can require trying on first.
• The shoe prioritizes cushioning over a lightweight race feel, so it may feel bulky for faster workouts.

Specifications

Our Verdict

The New Balance Fresh Foam X 840f V1 is worth buying if you want plush, reliable cushioning and comfortable daily support for running, walking, or standing work. Its blend of comfort and support makes it a good value for those with foot pain or anyone prioritizing all-day wear, though shoppers should verify sizing before purchase.

Frequently Asked Questions

Are these shoes good for plantar fasciitis?
Yes; customers report the combination of Fresh Foam X cushioning and arch support helps reduce foot pain associated with plantar fasciitis.

Do they run true to size?
Reports vary: some users find them roomy while others feel they run small, so trying a size in person is recommended if possible.

Is the upper breathable?
Yes; the synthetic mesh material provides breathability and keeps the shoe feeling lightweight.