How to Choose Synthetic Leather Thickness: A Practical Guide for Buyers

Thickness is one of the first specifications buyers usually discuss when selecting synthetic leather.

However, a number such as 0.8 mm, 1.0 mm or 1.2 mm does not describe the complete material.

Synthetic leather is generally a multilayer composite. Depending on the construction, it can include a textile substrate, coating layers, porous or foam layers, adhesive layers and a surface layer. Therefore, two materials with the same total thickness can still have different internal constructions, weights, hand feels and mechanical behavior. A recent review of PU synthetic leather describes this multilayer structure and the important role of both the base fabric and polymer coating. Springer

For buyers, the key principle is:

Thickness is a structural parameter, not a quality grade.

What Does Synthetic Leather Thickness Mean?

For coated fabrics, thickness is measured as the total thickness of the material under a specified pressure.

ISO 2286-3:2016 specifies a method for determining the thickness of rubber- or plastics-coated fabrics at a specified pressure. The standard applies to different substrate types and can also cover constructions containing an expanded layer. ISO lists this edition as current after confirmation in 2026. ISO

This means that when a supplier states:

Thickness: 1.0 mm

the figure generally describes the complete construction being measured, not simply the visible PU or PVC surface layer.

That distinction matters because the same total thickness can be achieved using different combinations of coating, intermediate layers and backing.

Why Can Two 1.0 mm Materials Feel Different?

Imagine two synthetic leather samples are both approximately 1.0 mm thick.

One may use a relatively substantial textile backing with a thinner coating structure.

Another may use a lighter backing combined with a different coating or expanded layer.

Both can reach a similar total thickness while feeling different when handled, folded or processed.

Synthetic leather performance therefore depends on the complete construction, not thickness alone.

The fabric substrate provides structural support and contributes to mechanical behavior and flexibility, while the upper polymer layers provide surface characteristics and additional performance. Springer

This is why buyers should avoid treating thickness as a complete specification.

How Can Thickness Affect Hand Feel and Structure?

Thickness can influence how substantial, soft, flexible or structured a material feels, but the relationship is not simple.

A thicker construction may sometimes feel fuller or provide more body, while a thinner construction may feel lighter or easier to fold.

However, two materials of the same thickness can still feel very different because of changes in:

• backing structure and weight
• coating chemistry and construction
• expanded or foam layers
• surface finishing
• overall material density

Therefore, buyers should evaluate thickness and hand feel separately.

If softness, drape or structural support is important, a physical sample is usually more useful than relying only on the thickness figure.

How Does Thickness Affect Processing?

The correct thickness should match the way the finished product will be manufactured.

For example, synthetic leather may need to be:

cut, sewn, folded, wrapped, laminated, heat-pressed or stretched around a three-dimensional structure.

A material that works well on a flat decorative panel may behave differently when it needs to wrap around a tight curve.

Similarly, wallet construction can involve several layers of material folded and stitched together. Even a relatively small increase in thickness can become more noticeable once multiple layers overlap.

For this reason, buyers should tell the supplier how the material will be processed, not only where it will be used.

Why Backing and Thickness Should Be Considered Together

The backing is one of the most important structural components of synthetic leather.

Woven, knitted and nonwoven substrates can provide different behavior in terms of extension, strength, flexibility and dimensional stability.

Therefore:

1.0 mm with one backing construction is not necessarily equivalent to 1.0 mm with another backing construction.

The backing can change the way a synthetic leather stretches, holds its shape, responds to sewing or behaves during upholstery processing.

This is why a buyer replacing an existing material should ideally provide more than thickness.

Useful information includes the existing backing type, material weight, hand feel and required performance.

Thickness and Material Weight Are Not the Same Thing

Another common mistake is assuming that two materials with the same thickness must also have the same weight.

They do not.

ISO 2286-2:2016 separately covers:

• total mass per unit area
• coating mass per unit area
• substrate mass per unit area

The standard was also reviewed and confirmed as current in 2026. ISO

This separation is important because thickness and weight describe different characteristics.

A relatively lightweight structure may still reach a certain thickness through an expanded layer, while another material of similar thickness may contain a denser backing or coating construction.

For applications such as bags, luggage, automotive interiors or large upholstery components, final material weight may matter just as much as thickness.

Does Thicker Synthetic Leather Mean Better Quality?

No.

This is one of the most important purchasing misconceptions.

A thicker synthetic leather is not automatically:

more durable, more abrasion resistant, more hydrolysis resistant, stronger or higher quality.

Those properties depend on the materials and construction used.

For example, abrasion resistance is strongly related to the surface coating and finish. Hydrolysis resistance depends heavily on polyurethane chemistry and formulation. Tensile and tear behavior can be strongly influenced by the backing.

Increasing total thickness does not automatically improve all of these properties.

The correct question is therefore not:

“Which material is thicker?”

It is:

“Which construction meets the performance required for this application?”

How Should Thickness Be Considered for Different Applications?

There is no single thickness that is automatically correct for an entire application category.

Wallets

Wallets often contain several folded and stitched material layers.

If each layer is too bulky, the finished wallet can become thick around edges, card slots and folded areas.

Therefore, thickness should be considered together with folding structure, backing and hand feel.

Handbags

A soft handbag and a structured handbag may require completely different material behavior.

A soft design may prioritize drape and flexibility, while a structured bag may require more body or additional reinforcement.

The correct thickness therefore depends on the bag construction rather than the word “handbag” alone.

Sofa and Furniture Upholstery

Furniture materials need to conform to cushions, edges and curved components while maintaining the required appearance and durability.

Thickness should be considered together with backing, flexibility, upholstery method and required physical performance.

Automotive Upholstery

Automotive materials may need to wrap around complex surfaces and also meet defined durability requirements.

Total thickness alone cannot determine whether a material is appropriate for a seat, door panel or another interior component.

Wall and Decorative Panels

In decorative applications, the material may experience less repeated flexing than a seat or wallet.

Here, processing method, surface appearance, lamination and wrapping requirements may become more important.

The important point is:

Application determines the required construction; application name alone does not determine a fixed thickness.

Does Thicker Mean More Durable?

Not necessarily.

Durability is not one single property.

It can include:

abrasion resistance, flex resistance, coating adhesion, tear strength, tensile strength, hydrolysis resistance, heat aging and other requirements.

A thicker material can still perform poorly in one of these areas if the coating system, backing or overall construction is not suitable.

Likewise, a thinner material specifically engineered for a certain performance target may outperform a thicker but lower-specification material.

Thickness should therefore be treated as one specification among several.

Why Thickness Tolerance Also Matters

In production, buyers should not assume that every point across a roll will measure exactly the nominal figure.

The agreed thickness specification should therefore be connected to the supplier's production tolerance and the applicable measurement method.

The test method matters because thickness measurements of coated materials are made under defined conditions and pressure rather than by casually measuring any point without a procedure. ISO 2286-3 explicitly specifies measurement under a defined pressure. ISO

For projects where thickness is critical to processing, buyers should confirm both:

nominal thickness + acceptable tolerance

before bulk production.

What Should Buyers Confirm Before Ordering?

A more complete material-selection sequence is:

Application → Total Thickness → Backing → Material Weight → Hand Feel / Structure → Processing Method → Performance Requirements → Quantity

If the buyer already uses an existing synthetic leather, a physical sample can often provide more useful information than simply saying:

“I need 1.0 mm PU leather.”

A supplier can then evaluate not only thickness, but also backing structure, surface finish, flexibility and overall construction.

For new projects, product photos, drawings, processing details and target performance can help determine a more appropriate material specification.

Conclusion

Thickness is important when selecting synthetic leather, but it should never be treated as a complete measure of quality.

Two materials with the same thickness can have different:

backings, coating constructions, weights, flexibility, hand feels and performance.

Likewise, a thicker material is not automatically more durable or better suited to the final product.

For buyers, the most reliable approach is to evaluate thickness together with:

application, backing, weight, processing method and required performance.

CIGNO Leather supplies PU, PVC, microfiber and other synthetic leather materials for furniture, bags, automotive interiors and other applications. Material specifications can be developed according to the required thickness, backing, surface grain, hand feel and performance requirements.