37GSM 380T Ultra-Light Nylon Fabric for Down Jackets

YL-1384

Looking for an ultra-lightweight fabric for down jackets or high-performance outerwear?

For premium apparel brands, fabric selection is critical—especially when developing garments that require lightweight comfort, high-density construction, and downproof performance.

Our YL-1384 380T full dull nylon fabric (100% nylon, 37GSM) is engineered for these advanced applications.

  • The 380T high-density weave ensures excellent downproof performance, preventing feather leakage

  • The ultra-lightweight structure (37GSM) reduces garment weight while maintaining strength

  • The full dull finish provides a soft, matte, premium appearance

With high waterproof finishing, the fabric offers reliable waterproof and windproof protection, making it ideal for down jackets, ultralight outerwear, and technical apparel.

👉 A high-performance solution for brands developing lightweight, packable, and premium outerwear.


Applications

This fabric is ideal for high-performance and lightweight apparel:

  • Down jackets & puffer jackets

  • Ultralight outdoor jackets

  • Technical outerwear

  • Packable travel garments

  • Sleeping bags & insulation products

👉 Suitable for buyers searching:
ultralight fabric for down jacket / downproof nylon fabric / lightweight waterproof nylon


Why Choose This Fabric

For premium outerwear brands, fabric must deliver extreme performance without adding weight.

This fabric offers:

  • Ultra-lightweight performance (37GSM)

  • 380T high-density downproof construction

  • High waterproof and windproof protection

  • Soft full dull premium surface

  • Strong yet lightweight nylon structure

  • Ideal for high-end outdoor and down apparel

👉 Perfect for developing next-generation lightweight outerwear.


FAQ

What fabric is best for down jackets?

High-density nylon fabrics like 380T are widely used because they are lightweight and provide excellent downproof performance.


What does 380T mean in fabric?

380T refers to the fabric’s thread density, indicating a tightly woven structure that improves downproof performance and durability.


Is this fabric downproof?

Yes. The high-density construction prevents feather leakage, making it suitable for down-filled garments.


Is this fabric waterproof?

Yes. With high waterproof finishing, it provides strong protection against rain and moisture.


Is this fabric suitable for ultralight jackets?

Yes. At only 37GSM, it is ideal for ultralight and packable garments.

  • Product Code: YL-1384

  • Composition: 100% Nylon

  • Yarn Count: 20D × 20D

  • Construction: Plain Weave (380T)

  • Weight: 37 GSM (±3g)

  • Width: 57/58”

  • Finish: High Waterproof + Downproof

  • Key Functions:

    • Waterproof

    • Windproof

    • Ultra-Lightweight

    • Downproof

✔ Ultra-Lightweight Fabric

Only 37 GSM, ideal for high-performance garments.

✔ 380T High-Density Construction

Ensures excellent downproof capability.

✔ High Waterproof Performance

Provides reliable protection in outdoor conditions.

✔ Soft Full Dull Surface

Creates a premium matte appearance.

✔ Strong Nylon Fiber

Maintains durability despite lightweight structure.

✔ Ideal for Technical Apparel

Used in down jackets and ultralight gear.