Vivobarefoot Primus Sport III Juniors – Complete Freedom of Movement for Active Children
The Vivobarefoot Primus Sport III Juniors is designed for older children who are highly active throughout the day.
It offers a barefoot experience, allowing the body to function naturally while supporting proper foot development.
With a zero drop design and flexible sole, it enhances balance, coordination and proprioception, all of which are vital for children’s development.
Ideal for an active everyday lifestyle
- Ideal for school and everyday wear
- Suitable for sports activities
- Freedom of movement without restrictions
- Contributes to correct body posture
- Supports natural foot development
Sole – Barefoot Feel & Control
- Thin sole for direct ground contact
- High flexibility for natural movement
- Non-slip grip for safety
- Durable construction for intensive use
Upper – Durability & Comfort
- Breathable mesh for all-day comfort
- Durable materials for active use
- Easy fastening system (Velcro)
- Secure fit without pressure
FootShape Design – Toe Freedom
- Natural toe splay
- Improved balance
- Proper development of muscles and tendons
Technical Features
- Drop: 0mm (Zero Drop)
- Stack Height: ~4-6mm
- Lightweight construction
- Flexible barefoot construction
- Everyday & sports use
Ideal for
- School
- Sports activities
- Play
- Everyday wear
Size Guide – Vivobarefoot Juniors
Choosing the correct size is particularly important for growing children.
Barefoot shoes require extra room for natural movement.
Size Chart (Juniors)
| EU Size | Foot Length (cm) | Recommended Internal Length (cm) |
|---|---|---|
| 36 | 22.8 – 23.4 | 23.6 – 24.4 |
| 37 | 23.5 – 24.1 | 24.3 – 25.1 |
| 38 | 24.2 – 24.8 | 25.0 – 25.8 |
| 39 | 24.9 – 25.5 | 25.7 – 26.5 |
How to choose the correct size
- Measure the foot while standing
- Add 0.8 – 1.2 cm allowance
- Compare with the chart
- If you are between two sizes, choose the larger size
Example
- Foot length: 24.0 cm
- + Allowance: 1 cm
- Total: 25.0 cm
- 👉 Recommended size: EU 38
Important Tips
- Toes should move freely
- There should be no pressure at the front
- The heel should fit correctly
- Check the size regularly due to growth
Why choose it
The Primus Sport III Juniors is ideal for children who need a shoe that keeps up with them.
It offers natural movement, comfort and developmental support without restricting the body.









