Nike

Nike Women's Nike InfinityRN 4 Running Shoes Review

Name: Women's Nike InfinityRN 4 Running Shoes
Brand: Nike
SKU: womens-nike-infinityrn-4-running-shoes
Price: 170 USD
Availability: InStock

Running · Road Running · Women

Where to Shop · 1 options

$170

60-day avg: $170.00 Fair Price

Buy on JD Sports →

Nike Women's Nike InfinityRN 4 Running Shoes is a road running shoe. Best For: Novice and seasoned runners prioritizing cushioning and breathability for long-distance training. Fit & Comfort: Snug, secure fit with smooth heel-to-toe transition and plush ReactX foam cushioning. Standout: Plush ReactX foam delivers exceptional comfort and effortless ride quality. Smooth rocker geometry provides.

As of 2026-09-17 1 color & style options

Review Highlights & Similar Shoes

Nike Women's Nike InfinityRN 4 Running Shoes Key Features, Pros, Cons and Similar Shoes

Quick scan of the details, strengths and trade-offs most shoppers check before buying.

Core product details pulled from the AI fashion review summary.

Best For Novice and seasoned runners prioritizing cushioning and breathability for long-distance training.

Fit & Comfort Snug, secure fit with smooth heel-to-toe transition and plush ReactX foam cushioning.

Fashion Match Sleek, modern design suitable for road running and casual athletic wear.

Sizing True to size with a roomy toe box; wide-footed runners should consider sizing up.

Materials Lightweight construction with innovative ReactX foam and breathable mesh upper.

Durability Reliable outsole performance with solid construction for consistent daily training miles.

Where this model stands out for comfort, fit, styling or everyday use.

Cushioning Plush ReactX foam delivers exceptional comfort and effortless ride quality.

Stability Smooth rocker geometry provides reliable stability for daily miles and marathons.

Lightweight Design Responsive, lightweight construction ideal for both novice and experienced runners.

Injury Prevention Consistent cushioning and support reduce impact stress on joints and muscles.

Main limitations to weigh before choosing this shoe.

Premium Price At $160, it's a significant investment for a daily training shoe.

Limited Colorways Fewer style options compared to other Nike women's running models.

The Nike Women's Nike InfinityRN 4 Running Shoes is a strong choice if you:

You're training for a half-marathon or marathon and need maximum cushioning for long-distance road runs
You log 30+ miles per week and want a reliable daily trainer with proven durability
You prioritize comfort over speed and prefer a plush, responsive ride for recovery runs
You need a shoe that performs well on mixed terrain during weekend runs, not just road-only
You value the blend of stability and cushioning without sacrificing everyday wearability

◈ The #1 Shoe Search Engine

17,000+ shoes. One search.

Filter by brand, style, price & more — updated daily.

The Nike Women's InfinityRN 4 is a standout daily trainer that earns unanimous praise for its plush ReactX foam cushioning, smooth ride, and reliable performance across varied running distances. All three critics agree this is an excellent investment for runners serious about logging consistent miles with comfort and injury prevention in mind.

Style these shoes with fitted running tights, moisture-wicking tops, and lightweight layers for serious training sessions, or elevate them into athleisure with joggers and oversized hoodies for casual errands. They're equally at home on a long Sunday run paired with performance leggings or as part of a relaxed weekend look—versatile enough to transition seamlessly from pavement to everyday wear.

Based on product data, price history & market signals · Updated 2026-09-11 · How we review

“The InfinityRN 4 is a dependable daily trainer that delivers the cushioning and smooth ride serious female runners need to rack up miles confidently.”

Built for runners logging consistent weekly mileage, the InfinityRN 4 excels with its plush ReactX foam that absorbs impact while keeping weight down, smooth heel-to-toe transitions that feel effortless, and excellent breathability to keep your feet cool on longer efforts. It's a road-focused shoe that rewards steady-paced runs and easy days with reliable comfort and durability.

When to wear

Daily training runs and weekly long runs on pavement where cushioning matters mostEasy-paced recovery runs where a smooth, forgiving ride helps your legs bounce backBack-to-back running days when you need a shoe that won't beat up your feet

Style pairings

Fitted running tights with a racerback sports bra and lightweight running jacket for morning tempo workRunning shorts, a moisture-wicking tee, and a visor for casual weekend milesLeggings with a longer running top and lightweight beanie for transitional-weather training

When to skip

Skip this shoe if you're planning serious trail running or need aggressive traction—the InfinityRN 4 is optimized for road surfaces and lacks the grip for technical terrain.

Shoe Care Accessories

Best Nike Accessories Under $10

24 Pairs Colored Shoelaces

Affiliate links — we may earn a commission at no extra cost to you.

Nike Frequently Asked Questions

The Nike Women's Nike InfinityRN 4 Running Shoes generally fits true to size. If you have wider feet, consider going up half a size for comfort. The shoe runs slightly narrow in premium builds compared to other Nike models.

The Nike Women's Nike InfinityRN 4 Running Shoes typically features premium leather, mesh, and synthetic materials. The outsole uses rubber compounds designed for traction and durability.

Remove laces and insoles first. Use a soft brush with mild detergent and lukewarm water. Avoid harsh chemicals or machine washing. Air dry at room temperature - never use direct heat which can damage materials and adhesives.

With regular use, expect 350-500 miles or 6-8 months. Proper care and rotation with other shoes extends lifespan significantly.

Yes, the Nike Women's Nike InfinityRN 4 Running Shoes features premium cushioning and ergonomic design suitable for extended wear. Break-in period is typically 1-2 weeks.

The Nike Women's Nike InfinityRN 4 Running Shoes has a slightly narrow fit. Those with wide feet often go up half a size, while narrow feet may prefer true to size or half size down.

The Nike Women's Nike InfinityRN 4 Running Shoes provides moderate to good arch support. Those needing additional support can add aftermarket insoles or orthotics for enhanced comfort.

The Nike Women's Nike InfinityRN 4 Running Shoes typically has a 8-12mm heel-to-toe drop, providing versatile cushioning for various running styles.

The Nike Women's Nike InfinityRN 4 Running Shoes is suitable for tempo runs and moderate speed work. For track work, consider a lighter racing flat.

The Nike Women's Nike InfinityRN 4 Running Shoes excels on roads and treadmills. For trails, the outsole provides basic traction but isn't specialized for technical terrain. Best performance is on paved surfaces.

Replace when you notice reduced bounce, uneven wear patterns, or aches after runs. Track mileage or wear time for best results.

Not recommended. Machine washing can damage adhesives, deform the shoe, and affect performance. Hand cleaning with mild soap and water is safer and more effective for longevity.

Store in a cool, dry place away from direct sunlight. Use shoe trees or stuff with paper to maintain shape. Allow 24 hours between wears for materials to dry and recover.

Most customers find their usual nike size works well. If between sizes, consider foot width and intended use. Try on if possible before purchasing.

Most retailers offer 30-day return policies for unworn shoes. Keep original packaging and tags. Some stores offer size exchanges within specific timeframes - check individual retailer policies.

The Nike Women's Nike InfinityRN 4 Running Shoes offers unique features within Nike's lineup. It represents Nike's premium technology and materials.

The Nike Women's Nike InfinityRN 4 Running Shoes releases in multiple colorways throughout the year. Popular colors sell out faster, while limited editions can be harder to find. Check multiple retailers for color availability.

Nike Women's Nike InfinityRN 4 Running Shoes Review

Nike Women's Nike InfinityRN 4 Running Shoes Key Features, Pros, Cons and Similar Shoes

Similar Shoes to Nike Women's Nike InfinityRN 4 Running Shoes

Nike Women's Nike InfinityRN 4 Running Shoes – Fashion Sneaker Picks & Similar Styles

Nike Frequently Asked Questions