What Is Weft Insert Napping Interlining？

What Is Weft Insert Napping Interlining?

Simply put, Weft insert napping interlining is a type of woven interlining with an extra weft yarn inserted, and the surface is slightly brushed.

Compared with regular woven interlining, it feels softer and a bit thicker.

You can also notice from the sample:

• The surface is not smooth
• It has a light “hairy” texture
• It feels warmer and fuller in hand

This is exactly why some garment factories choose it.

---

Why Does the Napping Effect Matter?

At first glance, it may just look like a surface difference. But in real production, it affects the final garment quite a lot.

1. Softer Hand Feel

When used inside coats, it makes the garment feel less stiff.

This is useful when the outer fabric is already heavy.

---

2. Better Matching with Wool or Thick Fabrics

If you use a very flat interlining with wool fabric, sometimes the inside and outside don’t match well.

This type helps balance that difference.

---

3. Slight Volume Without Too Much Stiffness

Some customers want structure, but not a “hard” feeling.

This interlining sits somewhere in between.

---

Where Is It Usually Used?

This type is not for all garments. It’s mainly used in specific cases.

Common applications:

• Coats
• Wool jackets
• Outerwear with medium to heavy fabrics

Not recommended for:

• Shirts
• Lightweight garments
• Products that require frequent washing

👉 In simple terms:
good for feel and appearance, not for heavy washing conditions

---

How to Choose the Right One?

If you’re considering using this interlining, here are a few points worth checking.

1. Fabric Weight

Works better with medium to heavy fabrics.

If the fabric is too thin, the effect may feel too bulky.

---

2. Washing Requirement

This is important.

If your product needs frequent washing, this may not be the best option.

---

3. Final Hand Feel

Before bulk production, always test it together with your fabric.

Because the brushing effect can feel different depending on the outer material.

---

Quick Comparison Table

---

Common Issues to Watch Out For

1. Not Suitable for Washing Products

If used in garments that are washed often, performance may drop over time.

---

2. Wrong Fabric Matching

Using it with very light fabric can make the garment feel unbalanced.

---

3. Overlooking Testing

Some buyers skip sampling, but with this type, testing is important.

---

FAQ

1. What makes weft insert napping interlining different?

The brushed surface and inserted weft yarn give it a softer and fuller feel.

---

2. Is it stronger than regular woven interlining?

Not necessarily. It’s more about hand feel than strength.

---

3. Can it be used for shirts?

No, it’s too thick and not suitable for lightweight garments.

---

4. Is it washable?

It can handle light use, but not frequent washing.

---

5. Why does it feel warmer?

Because of the napping surface, which traps a bit more air.

---

6. Do I need special fusing conditions?

It depends on the coating, but generally similar to woven interlining.

---

7. Can I use it for high-end garments?

Yes, especially for coats where hand feel matters.

---

8. How do I confirm if it fits my product?

The best way is to test it with your fabric before bulk production.

---

Why Choose UNT (Shanghai Uneed Textile Co., Ltd)?

When it comes to interlining like this, consistency is more important than anything else.

At UNT, we focus on making sure what you test is what you get in bulk.

• 10+ years of experience in interlining production
• Stable quality across different batches
• Sample support for testing before orders
• Wide range of woven and special interlining
• Reliable delivery and export experience

We understand that small differences in interlining can affect the final garment, so we pay attention to those details.

---

Contact Us

Shanghai Uneed Textile Co., Ltd
TEL: +86-21-33608891
FAX: +86-21-33608892
Email: info@uneed-tex.com