The Kidz Step 5° Orthotic Insole has been carefully selected by Mark Smith Orthotics to provide supportive heel and arch control for young children with flexible flat feet. Designed specifically for growing feet, its 3/4-length orthotic design supports the heel and arch while leaving the forefoot free, allowing it to fit comfortably into many styles of children's footwear.
A key feature of the Kidz Step is its integrated 5° rearfoot post, designed to encourage improved rearfoot positioning while the contoured orthotic profile and deep heel cup provide additional stability and support during everyday activities.
Available in Sizes 1–8, covering UK Child Size 3 to Adult UK Size 2.5 (EU 19–34), the Kidz Step 5° Orthotic Insole provides dependable support for growing feet during nursery, school, sport and everyday play.
Looking for adult orthotic insoles? We also offer a comprehensive range of Adult Orthotic Insoles. Please visit our Adult Insoles category to browse the complete collection.
Why Choose the Kidz Step 5° Orthotic Insole?
The Kidz Step may be suitable if your child:
- Has flexible flat feet.*
- Needs supportive heel and arch control.
- Requires additional rearfoot support.
- Is active during school or sports.
- Needs an orthotic that fits comfortably into everyday footwear.
Suitable For
The Kidz Step 5° Orthotic Insole may be suitable for children who:
- Have flexible flat feet.*
- Need additional heel and arch support.
- Require additional rearfoot control.
- Spend long periods standing or walking.
- Wear school shoes, trainers or casual footwear.
May Be Suitable For Children Experiencing
The Kidz Step 5° Orthotic Insole may be suitable for children experiencing:
- Flexible flat feet*
- Mild arch discomfort*
- General foot discomfort*
- Foot fatigue*
- Everyday walking discomfort*
Compatible Footwear
Suitable for use in:
- School shoes
- Trainers
- Sports footwear
- Casual shoes
- Walking shoes
Its 3/4-length orthotic design supports the heel and arch while leaving the forefoot free, making it easier to fit into many styles of children's footwear.
Why Buy from Mark Smith Orthotics?
Every product in our children's range has been carefully selected by Mark Smith, drawing on decades of experience manufacturing bespoke foot orthoses for NHS services, private clinics, healthcare professionals and members of the public.
The Kidz Step 5° Orthotic Insole has been chosen to provide dependable orthotic support for children with flexible flat feet, combining a supportive 3/4-length design, integrated rearfoot control and durable construction for growing feet.
Need Help Choosing?
Not sure whether the Kidz Step 5° Orthotic Insole is the right option for your child?
Book a FREE 15-minute discussion with Mark to learn more about our children's orthotic range. We'll explain the differences between the Kidz Step 5° Orthotic Insole, 4Kids Orthotic Insole, Children's Trio Insole and Children's Prostep Orthotic Insole, helping you understand which option may best suit your child's footwear and everyday needs.
If you're looking for adult orthotic insoles, please visit our Adult Insoles category to browse our complete range.
Please note that this service is intended to help you understand our products. We cannot diagnose medical conditions, prescribe treatment or recommend a specific product for a medical condition.
What makes the Kidz Step different from the 4Kids Orthotic Insole?
The Kidz Step features an integrated 5° rearfoot post, providing additional rearfoot control while maintaining a compact 3/4-length orthotic design.
Is the Kidz Step full length?
No. The Kidz Step features a 3/4-length design, supporting the heel and arch while leaving the forefoot free for improved shoe fit.
How do I choose the correct size?
Choose the Kidz Step size that matches your child's usual UK or EU shoe size using the sizing guide above. If you're unsure which size is most appropriate, we're always happy to help.
Do you offer orthotic insoles for adults?
Yes. We stock a comprehensive range of Adult Orthotic Insoles for walking, work, sports and everyday comfort. Please visit our Adult Insoles category to browse the full range.
When should I consider bespoke foot orthoses?
If your child has complex foot mechanics or requires a fully customised solution, our bespoke foot orthoses may provide a more appropriate option.
- 3/4-length orthotic insole
- Integrated 5° rearfoot post
- Contoured orthotic arch profile
- Deep supportive heel cup
- Lightweight construction
- Available in Sizes 1–8
- Fits UK Child Size 3 to Adult UK Size 2.5 (EU 19–34)
- Supplied as a pair
- 3/4-length orthotic design
- Integrated 5° rearfoot post
- Designed specifically for children with flexible flat feet
- Contoured orthotic arch profile
- Deep supportive heel cup
- Lightweight, durable construction
- Suitable for school, sports and everyday footwear
- Available in Sizes 1–8
- Fits UK Child Size 3 to Adult UK Size 2.5 (EU 19–34)
- Supplied as a pair
The Kidz Step 5° Orthotic Insole is available in eight children's sizes, covering UK Child Size 3 to Adult UK Size 2.5 (EU 19–34).
-
Size 1
— Child UK 3–4 | EU 19–20 -
Size 2
— Child UK 4.5–5.5 | EU 21–22 -
Size 3
— Child UK 6–7 | EU 23–24 -
Size 4
— Child UK 8–9 | EU 25–26 -
Size 5
— Child UK 10–11 | EU 27–28 -
Size 6
— Child UK 11.5–12.5 | EU 29–30 -
Size 7
— Child UK 13–Adult UK 1 | EU 31–32 -
Size 8
— Adult UK 1.5–2.5 | EU 33–34
Simply choose the Kidz Step size that matches your child's usual UK or EU shoe size.
If you're unsure which size is most suitable, book a FREE 15-minute discussion with Mark and we'll be happy to help.

