---
type: "fabric"
name: "Thornproof"
slug: "thornproof"
fabric_family: "woven"
construction: "twill"
typical_fibers:
  - "Wool"
weight_gsm: "300–450 g/m²"
price_tier: 3
url: "https://www.fabricatlas.com/fabrics/thornproof"
updated: "2025-09-08T02:32:03.13499+00:00"
---

# Thornproof

Thornproof is a durable woven twill fabric primarily made from wool, designed to resist wear and tear while providing warmth and comfort.

- **Fabric Family**: Woven
- **Construction**: Twill
- **Typical Fibers**: Wool
- **Weight**: 300–450 g/m²
- **Thickness**: 0.8–1.2 mm
- **Typical Width**: 150 cm
- **Price Tier**: $$$ (3 of 5)

## About Thornproof

Thornproof fabric is a tightly woven twill that offers enhanced durability and resistance to snags and abrasions, making it ideal for outdoor and workwear applications. The use of wool fibers provides natural insulation and moisture-wicking properties, while the twill weave adds a diagonal texture that contributes to the fabric's strength and aesthetic appeal. This fabric is commonly used in garments requiring robustness, such as jackets, trousers, and outdoor gear.

## Woven Properties

- **Ends per Inch (EPI)**: 40
- **Picks per Inch (PPI)**: 30

## Stretch Properties

- **Warp Stretch**: 2%
- **Weft Stretch**: 2%

## Performance Properties

- **Air Permeability**: 5 CFM
- **Hydrostatic Head**: 1500 mm
- **Spray Rating**: 80
- **Evaporative Resistance (Ret)**: 0.5
- **Thermal Resistance (Rct)**: 0.2
- **UPF Rating**: 30

## Appearance & Hand

- **Luster**: Semi Matte
- **Opacity**: Opaque
- **Surface Texture**: smooth
- **Hand & Drape**: Balanced

## Performance Features

- Moisture Wicking
- Abrasion Resistant
- Windproof

## Common Finishes

- Water Repellent DWR
- Anti Pilling
- Wrinkle Resistant

## Common Applications

- Outdoor Jackets
- Workwear
- Trousers
- Uniforms

## Common Uses in Detail

### Outdoor Jackets & Coats

Thornproof's tightly woven [Twill](https://www.fabricatlas.com/fabrics/twill) construction and [Wool](https://www.fabricatlas.com/fibers/wool) fibers make it ideal for rugged outdoor jackets and coats. It resists abrasion from brush and bramble, retains warmth even when damp, and holds its structure through heavy field use.

### Workwear & Uniforms

Its exceptional durability and resistance to wear make it a trusted choice for workwear and uniforms. The dense [Wool](https://www.fabricatlas.com/fibers/wool) [Twill](https://www.fabricatlas.com/fabrics/twill) withstands repeated use and laundering, while its natural insulating properties keep wearers comfortable across long working days in demanding environments.

### Hardwearing Trousers

Tailored trousers cut from thornproof offer both practicality and a smart appearance. The fabric's [Twill](https://www.fabricatlas.com/fabrics/twill) weave provides flexibility and strength at stress points, making these trousers well suited to country pursuits, fieldwork, and any activity requiring robust, long-lasting legwear.

## Care Instructions

Machine wash on a gentle cycle with mild detergent. Avoid bleach. Iron on a low setting if necessary.

- Machine Wash At 30°C
- Do Not Bleach
- Iron At Low Temperature
- Dry Clean

## Additional Information

Thornproof fabric is particularly valued in the outdoor apparel industry for its combination of comfort and durability, making it suitable for both casual and rugged use.

- **Regional Names**: thornproof wool, thorn-resistant fabric
- **Sourcing Regions**: Europe, Asia
- **Testing Standards**: Martindale Abrasion Test, AATCC 22 Water Repellency Test, ISO 13934-1 Tear Strength Test, ISO 105-C06 Colorfastness to Washing

## Fibers in This Fabric

- [Wool](https://www.fabricatlas.com/fibers/wool.md)

## Similar Fabrics

- [Bedford Cord](https://www.fabricatlas.com/fabrics/bedford-cord.md) — Woven
- [Birdseye](https://www.fabricatlas.com/fabrics/birdseye.md) — Woven
- [Boutis](https://www.fabricatlas.com/fabrics/boutis.md) — Woven
- [Cavalry Twill](https://www.fabricatlas.com/fabrics/cavalry-twill.md) — Woven
- [Cheviot](https://www.fabricatlas.com/fabrics/cheviot.md) — Woven

---
*Source: [Fabric Atlas](https://www.fabricatlas.com/fabrics/thornproof) — HTML version of this page.*