Nike Flex Runner 3 - Black - 12 UK

An easy-to-pull-on design and grippy outsole make the Flex Runner a fan favorite. Made with playgr...

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KICKSCREWNike Unisex Kids Black/White (Ps) Flex Runner 3 ' White' Fn1449-005
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Product Information

Full details

The Nike Flex Runner 3 is designed for active kids who need a reliable, comfortable shoe for playgrounds, recess, and daily play. Featuring a stretchy bootie construction and a grippy, flexible outsole, these trainers offer an excellent balance of agility and support; however, the slip-on design may require a specific fit to ensure they remain secure during high-intensity activities.

All features

Age Groupkids
ColourBlack
GenderUnisex
MaterialLeather
Child Shoe Size UK12.5
Accent ColourWhite
Shoe TypeTrainers
SeriesFlex Runner 3
Model Part NumberFN1449-005
BrandNike

Extended Product Information

FAQs

Are these shoes machine washable?

It is recommended to hand clean these shoes to preserve the leather and elastic integrity. Avoid the washing machine as it can damage the materials.

Do these require laces?

No, the Flex Runner 3 is a laceless, slip-on design that uses a stretchy bootie construction to secure the foot.

Are they suitable for wider feet?

The stretchy bootie design is quite accommodating, but if your child has an exceptionally wide foot, consider sizing up to ensure a comfortable fit.

Can these be used for sports?

These are ideal for casual play, school, and general activities. For specialized sports like soccer or basketball, a shoe with more lateral support is recommended.

What is the primary material?

The shoe combines a breathable mesh upper for ventilation with leather overlays for increased structural durability.

Troubleshooting

Difficulty putting the shoe on

Ensure both the heel and tongue pull tabs are fully utilized simultaneously to stretch the bootie collar wider.

Foot feels like it is sliding inside

The shoe may be too large for the child's foot; consider wearing slightly thicker athletic socks to improve the internal fit.

Stains on the mesh material

Gently dab with a mixture of cold water and a small amount of laundry detergent using a soft cloth, then rinse by dabbing with clean water.

Pros and Cons

Pros

  • Lightweight feel encourages natural movement
  • Easy slip-on entry with dual pull tabs
  • Durable leather construction stands up to daily play
  • Excellent traction on various play surfaces

Cons

  • Slip-on design lacks adjustable laces for custom tightness
  • Not intended for heavy-duty sports performance
  • Mesh material can be harder to clean than smooth synthetics

Setup, Compatibility & Care

Because the Flex Runner 3 is a slip-on design, ensure the foot is fully inserted past the collar to avoid bunching of the bootie. To keep your trainers in good condition: wipe down the leather overlays with a damp cloth after outdoor play to prevent dirt buildup. If the mesh upper becomes muddy, use a soft-bristled brush with mild soap and water, then allow them to air dry away from direct heat sources, which can damage the elastic components. Ensure you check the sizing periodically, as children's feet grow quickly and the snug fit of the bootie can become uncomfortable if the size is too small.

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