Nike LeBron 21 Trainers - Blue - 4 UK

Experience superior performance and style with the Nike LeBron 21 trainers. These sneakers feature...

Best current price£293.00from KICKSCREW

Child Shoe Size UK
Colour
Accent Colour

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KICKSCREWNike Unisex Kids Photo Blue/Laser Fuchsia/Vapor Green (Gs) Lebron 21 'Optimistic' Hf6819-400
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Product Information

Full details

The Nike LeBron 21 Trainers are designed for active kids who need a reliable, high-performance shoe that bridges the gap between athletic utility and everyday style. These sneakers offer exceptional comfort and durability for growing feet, making them an excellent choice for sports or casual wear; however, parents should note that the vibrant multi-color design requires careful maintenance to keep the light accents looking pristine.

All features

Age Groupkids
ColourBlue
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 wide feet?

The LeBron 21 series generally features a standard athletic fit. If your child has wide feet, we recommend trying them on with their typical sports socks to check for comfort.

Can I put these in the washing machine?

We strongly advise against machine washing as it can damage the specialized materials and adhesives used in the construction.

What is the best way to clean the vapor green accents?

Use a soft cloth dampened with warm water and a tiny drop of gentle soap. Wipe gently to avoid spreading any dirt into the fabric mesh.

Do these provide enough arch support?

Yes, the LeBron line is built with performance in mind and features significant mid-foot support appropriate for active children.

How should I store them to keep the color vibrant?

Store in a cool, dry area away from direct sunlight to prevent UV rays from fading the photo blue and vapor green colors.

Are these unisex?

Yes, the design is categorized as unisex, making them a great option for any child who prefers this colorway.

Troubleshooting

Laces coming untied frequently

Consider a double knot or replacing with elastic performance laces if the child struggles with traditional ties.

Scuff marks on the midsole

Use a specialized sneaker eraser or a gentle magic sponge to buff out light scuffs.

Persistent odors

Remove the insoles to air them out overnight and use a moisture-absorbing shoe deodorizer.

Pros and Cons

Pros

  • Durable construction suitable for high-energy play
  • Stylish and vibrant color scheme that stands out
  • Reliable support for growing children's feet
  • Versatile design for both sports and school wear

Cons

  • Light accents may show dirt more easily than darker colors
  • Specific sizing selection required due to high demand
  • Premium design may feel too nice for rough outdoor play

Setup, Compatibility & Care

Because these are lace-up trainers, ensure the fit is snug but not restrictive to support proper foot development. For maintenance, it is recommended to spot clean the upper material with a damp cloth and mild detergent. Avoid machine washing or drying, as this can degrade the structural integrity of the cushioning and the vibrant finishes. To maintain the 'Optimistic' aesthetic, store the shoes in a cool, dry place away from direct sunlight when not in use, and consider using a soft-bristled brush to remove dried mud or dust from the outsoles.

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