Precision in Every Step, Excellence in Every Partnership.

At Aybroad, precision is more than a technical metric—it is our solemn commitment to our global partners. From initial consultations and precision mold development to scientific material selection and digitized production monitoring, we meticulously refine every stage of our collaborative process. We believe that only through absolute rigor in our operations can we deliver the exceptional product quality that earns the long-term trust of our clients.

Aybroad Precision Process and Partnership

Process

Demands Evaluation

Project Development

Order Confirmation

Production Quality

Global Delivery

After-Sales Service

Top Insole Materials Explained: EVA, PU, GEL and Advanced Technologies

professional shoe insole manufacturer shoe insole factory

Insole performance is fundamentally determined by materials. For brands and buyers, understanding the characteristics of different materials is essential for making the right product decisions.

1. EVA – The Most Widely Used Material

EVA (Ethylene Vinyl Acetate) is one of the most common materials in the insole industry.

Advantages:

  • Lightweight
  • Flexible
  • Cost-effective

Limitations:

  • Lower durability compared to PU
  • Compression set over time

EVA is ideal for casual and entry-level sports insoles.

2. PU – Durability and Rebound

PU (Polyurethane) is widely used in premium insoles.

Advantages:

  • High durability
  • Excellent rebound
  • Long lifespan

PU is often used in work insoles and high-end orthotic products where long-term support is required.

3. GEL – Shock Absorption Specialist

Gel insoles are designed to absorb impact effectively.

Advantages:

  • Superior cushioning
  • Pressure distribution
  • Comfort enhancement

These are commonly used in sports and medical applications, especially for users with foot pain.

4. FOAM – Comfort First

Foam materials provide a soft and comfortable feel.

They are often used in combination with other materials to enhance comfort without sacrificing support.

5. Advanced Materials: The Future of Insoles

Modern insoles are increasingly using advanced materials such as:

  • PORON® – high shock absorption
  • ORTHOLITE® – breathable and antimicrobial
  • D3O® – impact protection
  • PLA / PCL – eco-friendly materials

These materials combine performance with sustainability, meeting modern market demands.

6. Material Combination Strategy

Most high-quality insoles are not made from a single material. Instead, they use layered structures:

  • Top layer: comfort (fabric + foam)
  • Middle layer: cushioning (EVA / GEL)
  • Bottom layer: support (PU / TPU)

This combination maximizes both comfort and functionality.

7. How to Choose the Right Material

When selecting materials, consider:

  • Target market (budget vs premium)
  • Application (sports, medical, daily use)
  • Brand positioning
  • Environmental requirements

Conclusion

Material selection is the foundation of insole performance