Nike Flex Runner 3 - Black - 12 UK

The Nike Flex Runner 3 makes it easy to slip on and go. Straps on the heel and tongue ensure a sec...

Best current price£24.00from Frasers

Child Shoe Size UK
Colour
Gender

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3 offers from £24.00 - £46.00

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FrasersNike Boys Flex Runner 3 Little Kids Shoes - Triple Black - C12 (30.5)
Free delivery in 1–3 days
£24.00
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The CodeNike Unisex Black Flex Runner 3 Low Top Running Sneakers - Size C12 30.5 Kids
£4.99 delivery
£24.00
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KICKSCREWNike Unisex Kids Black/White (Ps) Flex Runner 3 ' White' Fn1449-005
£15.00 delivery
£46.00
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Product Information

Full details

The Nike Flex Runner 3 is designed for active kids who need a reliable, easy-to-wear shoe for daily movement and play. Its primary benefit is the slip-on design coupled with secure heel and tongue straps, which allow children to put them on independently while maintaining a snug fit. One caveat to consider is that the lightweight mesh construction, while excellent for breathability, may not provide the same level of rugged protection as heavy-duty hiking footwear.

All features

Age Groupkids
ColourBlack
GenderUnisex
Child Shoe Size UK12
SeriesFlex Runner
Model Part NumberFN1449-005
BrandNike

Extended Product Information

FAQs

Are these shoes machine washable?

It is recommended to hand-clean with a damp cloth and mild soap. Machine washing may damage the structural materials and elasticity.

Are these suitable for wide feet?

The slip-on construction provides some flexibility, but the snug nature of the straps is designed for a standard fit.

Can I replace the straps if they break?

No, the straps are integrated into the construction of the shoe for security and cannot be replaced.

What is the best way to store these shoes?

Store in a cool, dry place away from direct sunlight to prevent the mesh and straps from drying out.

Is the sole non-marking?

Yes, the Flex Runner series is designed with gym-friendly, non-marking materials.

Troubleshooting

Straps feel too loose after prolonged wear

Check the elastic tension on the straps. If they have lost elasticity due to wear, ensure the tongue is centered correctly before pulling the straps taut.

Difficulty getting the shoe on

Ensure the heel tab is pulled fully outward and the tongue is pushed forward to maximize the entry opening before inserting the foot.

Pros and Cons

Pros

  • Extremely easy for children to put on independently
  • Lightweight and breathable material prevents overheating
  • Secure fit provided by dual straps
  • Modern, versatile black aesthetic

Cons

  • Not intended for heavy-duty outdoor or rough terrain use
  • Mesh material is harder to clean than full leather options
  • Slip-on style may not suit all foot shapes equally

Setup, Compatibility & Care

To ensure the best fit, have your child stand with their weight evenly distributed while measuring their feet. Because this is a slip-on shoe, the fit should feel snug but not restrictive. For care, keep the shoes away from heavy mud or abrasive surfaces to protect the mesh integrity. If the shoes become dirty, spot-clean them with a soft cloth, lukewarm water, and a mild detergent. Avoid machine washing or drying, as high heat can compromise the adhesive and elastic straps.

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