Nike LeBron 21 Trainers - Blue - UK 4

Experience superior performance with the Nike LeBron 21 Trainers. Designed for durability and agil...

Best current price£81.00from Joom

Child Shoe Size UK
Colour
Accent Colour

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2 offers from £81.00 - £2,628.00

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JoomNike Boys Blue/Green Lebron 21 Gs Optimism Kids Sneakers Multi-Color Photo- Vapor- Hf6819-400 Cm
£3.00 delivery
£81.00
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KICKSCREWNike Unisex Kids Photo Blue/Laser Fuchsia/Vapor Green (Gs) Lebron 21 'Optimistic' Hf6819-400
£15.00 delivery
£2,628.00
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Product Information

Full details

The Nike LeBron 21 Trainers are designed for active kids who require high-performance footwear that blends agility, support, and durability for both sport and daily wear. These sneakers provide excellent stability and comfort for growing feet, though the vibrant blue and vapor green aesthetic requires careful maintenance to keep the colors looking fresh.

All features

Age Groupkids
ColourMulticolor
GenderUnisex
MaterialLeather
Child Shoe Size UK4
Accent ColourBlue
Shoe TypeTrainers
SeriesLeBron
Model Part NumberHF6819-400
BrandNike

Extended Product Information

FAQs

Are these shoes suitable for everyday wear?

Yes, they provide sufficient support and comfort for both athletic activity and daily casual use.

How do I determine the right size?

These follow standard UK children's sizing; it is recommended to measure the foot at the end of the day when it is at its largest.

Can these be washed in a washing machine?

No, machine washing can damage the structural integrity and cushioning technology of the trainers. Hand wash only.

What surfaces are these best for?

These trainers are primarily designed for indoor and outdoor basketball courts, but they perform well on most flat, paved surfaces.

Does the shoe provide ankle support?

Yes, the mid-cut design and internal construction offer reliable ankle stability for active movement.

Troubleshooting

Shoes feel too tight across the top of the foot

Try adjusting the lacing technique to a 'window lacing' style to relieve pressure points.

Outer sole losing grip on dusty surfaces

Wipe the bottom of the outsole with a slightly damp cloth to remove dust and restore traction.

Pros and Cons

Pros

  • Superior support for active movement
  • High-quality, durable material composition
  • Excellent energy return for athletic performance
  • Secure fit helps prevent slips during play

Cons

  • Lighter colors may show dirt more easily
  • Requires proper lacing for full support
  • Fit may vary significantly between shoe sizes

Setup, Compatibility & Care

To ensure your Nike LeBron 21 Trainers maintain their performance, follow these guidelines. Start by loosening the laces fully when putting the shoes on to avoid putting unnecessary stress on the heel counter. For cleaning, use a soft-bristled brush, mild soap, and cold water to spot clean the exterior; avoid machine washing, which can compromise the cushioning materials. Store the trainers in a cool, dry place away from direct sunlight to preserve the vibrant blue and vapor green colors.

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