---
type: "fiber"
name: "Merino Wool"
slug: "merino-wool"
fiber_type: "protein"
fiber_origin: "natural_animal"
trade_names:
  - "Superfine Merino"
  - "Merino Wool"
url: "https://www.fabricatlas.com/fibers/merino-wool"
updated: "2025-09-07T19:10:39.88456+00:00"
---

# Merino Wool

Premium fine wool from Merino sheep known for exceptional softness, temperature regulation, and odor resistance.

- **Fiber Type**: Protein
- **Origin**: Natural Animal
- **Production Method**: Shearing Of Merino Sheep
- **Also Known As**: Merino, Fine Wool
- **Trade Names**: Superfine Merino, Merino Wool

## About Merino Wool

Merino wool comes from Merino sheep, primarily raised in Australia, New Zealand, and South America. The fiber is characterized by its extremely fine diameter (typically 18-24 microns), making it much softer than regular wool and non-itchy against the skin. Merino wool has natural crimp that creates insulating air pockets, providing excellent temperature regulation in both warm and cold conditions. The fiber's unique structure allows it to absorb moisture while still feeling dry, and its natural antimicrobial properties resist odor buildup.

## Key Properties

- **Density**: 1.31 g/cm³
- **Fiber Diameter**: 20 µm
- **Fiber Length**: 60 mm
- **Linear Density**: 13.5 denier
- **Tensile Strength**: 300 MPa
- **Elongation at Break**: 30%
- **Moisture Regain**: 13%
- **Heat Resistance**: 150 °C
- **Natural Color**: white
- **Luster**: Semi Bright

## Performance Characteristics

- **Abrasion Resistance**: Good
- **Pilling Resistance**: Good
- **Wrinkle Resistance**: Good
- **UV Resistance**: Good
- **Chemical Resistance**: Fair
- **Moisture Absorption**: Excellent
- **Wicking**: Good
- **Breathability**: Excellent
- **Elastic Recovery**: Good
- **Dimensional Stability**: Fair
- **Dyeability**: Excellent

## Strengths

- Temperature regulation
- Odor resistance
- Moisture management
- Softness
- Natural crimp

## Limitations

- Requires careful washing
- Can shrink
- More expensive
- Slower drying

## Sustainability

- **Biodegradable**: Yes
- **Recyclable**: Yes
- **Renewable Source**: Yes
- **Bio-based Content**: 100%
- **Recycled Content**: 0%
- **Certifications**: GOTS, OEKO-TEX
- **Major Producers**: Australia, New Zealand, Argentina

## Care

- **Max Wash Temperature**: 30 °C
- **Max Ironing Temperature**: 150 °C
- **Dry Cleaning**: Safe
- **Bleach Compatibility**: No Bleach

Hand wash recommended to maintain softness.

## Common Applications

- Base Layers
- Sweaters
- Outdoor Apparel
- Activewear
- Socks

## Common Uses in Detail

### Performance Base Layers

Worn directly against the skin during outdoor and athletic activities, Merino's fine fibers resist itching while naturally regulating body temperature and wicking moisture. Its inherent odor resistance makes it ideal for multi-day adventures without frequent washing.

### Luxury Knitwear

Prized by fashion designers for its exceptional softness and refined drape, Merino is widely used in premium sweaters and cardigans. Its fine micron count produces garments that feel gentle against the skin while maintaining a polished, elegant appearance.

### Athletic Socks

Merino's combination of cushioning, moisture management, and natural antimicrobial properties makes it a top choice for performance and hiking socks. Feet stay dry, blister-free, and odor-free across long distances, outperforming many synthetic alternatives in comfort and durability.

## Similar Fibers

- [Cashmere](https://www.fabricatlas.com/fibers/cashmere.md) — Protein
- [Down](https://www.fabricatlas.com/fibers/down.md) — Protein
- [Wool](https://www.fabricatlas.com/fibers/wool.md) — Protein

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