When it comes to exceptional softness, fine natural fibres and luxurious warmth, cashmere wool is considered one of the world's most exclusive textile materials. Sourced from the soft undercoat of the cashmere goat, it has been valued for centuries for its lightness, elegance and exceptional comfort.

In this article, you will learn everything about the origin, properties and benefits of cashmere wool – from its unique harvesting process and exceptional characteristics to its applications and proper care.

1. Cashmere Wool

1.1 Definition & Origin

1.2 The Cashmere Goat

The cashmere goat is a hardy mountain goat with a strong build and a dense coat. While its appearance varies depending on the region, it is typically characterised by long hair, a compact body and remarkable resilience to harsh environmental conditions.

Its most distinctive feature is its double-layered coat. Beneath the longer, coarser outer hair lies an exceptionally fine undercoat known as the duvet. This soft undercoat protects the animals from extreme cold and provides the valuable fibres used to produce premium cashmere wool.

Cashmere fibres are among the finest animal fibres in the world. With a fibre diameter of only around 12 to 19 microns, they are exceptionally soft, lightweight and highly insulating. Their fine fibre structure also gives cashmere its characteristic elegant drape and subtle natural lustre.

1.3 Harvesting and Processing of Cashmere Wool

Unlike sheep’s wool, cashmere is traditionally not shorn but carefully combed out. At the end of winter, cashmere goats naturally shed their fine undercoat, known as the duvet. In the traditional regions of origin, including Mongolia, China and the Kashmir region, this valuable fibre is still often harvested by hand using special wooden combs.

Harvesting cashmere is a highly labour-intensive process. Each goat produces only around 100 to 250 grams of raw fibre per year, and after cleaning and dehairing, often only about half remains as pure cashmere fibre. This natural scarcity is one of the main reasons why cashmere is considered one of the world's most valuable and exclusive natural fibres.

After combing, the fibres are carefully cleaned, washed and sorted by colour. They then undergo a process known as dehairing, in which the fine undercoat is separated from the coarser outer hair. Many of these processing steps are still carried out using traditional craftsmanship to preserve the delicate fibres as gently as possible.

The quality of premium cashmere depends primarily on the fineness, length and purity of its fibres. The finest cashmere has a fibre diameter of just 12 to 19 microns, making it one of the finest animal fibres in the world. High-quality cashmere is prized for its exceptional softness, lightweight feel, natural insulation and outstanding durability.

2. What Makes Cashmere Wool So Special?

Cashmere is regarded as one of the world's finest, rarest and most sought-after natural fibres. Its exceptional softness, lightweight feel and outstanding warmth have made it a symbol of luxury and quality for centuries. However, it is not only the incomparable comfort that makes cashmere so special – its rarity, the labour-intensive harvesting process and its unique natural properties all contribute to its exclusive character.

2.1 The Rarity of Genuine Cashmere Fibres

The uniqueness of cashmere begins with its origin. Only the fine undercoat of the cashmere goat, known as the duvet, is used. This soft undercoat develops only under the extreme climatic conditions found in the highland regions of Central Asia, where harsh winters, strong winds and significant temperature fluctuations prevail.

Unlike conventional sheep's wool, a cashmere goat produces only a very small amount of usable fibre each year. On average, only around 100 to 250 grams of raw fibre can be harvested annually. After cleaning, sorting and dehairing – the process of separating the fine undercoat from the coarser outer hair – often only about half remains as pure cashmere fibre.

This natural scarcity makes cashmere one of the most valuable raw materials in the textile industry. A single premium cashmere product often requires fibres from several goats. Each fibre develops over many months as natural protection against extreme cold, making it the result of extraordinary environmental conditions and skilled craftsmanship.

2.2 Why Is Cashmere So Expensive?

Cashmere is one of the world's most valuable natural fibres. Its high value results from the combination of natural rarity, limited availability and an exceptionally labour-intensive production process. Many processing steps are still carried out with great care to protect the delicate fibres and preserve their outstanding quality.

The quality of cashmere depends primarily on the fineness, length, purity and consistency of its fibres. Premium cashmere has a fibre diameter of only around 12 to 19 microns, making it one of the finest animal fibres available. The finer the fibre, the softer, lighter and more valuable the finished product.

For this reason, cashmere represents lasting quality rather than fast fashion. It is a timeless natural material that offers exceptional comfort and elegance for many years.

2.3 Softness, Warmth and Lightness

What makes cashmere so highly valued around the world is its unique combination of luxurious softness, natural warmth and exceptional lightness. The fine fibres feel incredibly soft against the skin while giving textiles their elegant drape and refined appearance.

At the same time, cashmere is one of the warmest natural fibres available. Its delicate fibre structure traps large amounts of air, providing outstanding thermal insulation despite its remarkably low weight. Cashmere keeps you comfortably warm without feeling heavy and naturally helps regulate body temperature.

• Exceptionally soft – Wonderfully gentle against the skin with an unmistakably luxurious feel.
• Excellent insulation – Outstanding warmth despite its remarkably low weight.
• Lightweight and supple – Offers exceptional comfort with an elegant drape.
• Breathable and temperature regulating – Helps maintain a comfortable body climate throughout the year.
• Natural elegant lustre – Gives premium textiles a refined and sophisticated appearance.
• Durable and long-lasting – With proper care, cashmere remains soft and beautiful for many years.

With a fibre diameter typically ranging from just 14 to 19 microns, cashmere is among the finest natural fibres in the world. By comparison, Merino wool measures around 17 to 24 microns, while native mountain sheep wool generally ranges from approximately 30 to 40 microns. The finer the fibre, the softer and more luxurious the material – one of the key reasons for cashmere's exceptional quality.

Thanks to its unique combination of rarity, fineness, warmth and timeless elegance, cashmere is the perfect choice for premium clothing, luxurious blankets, exclusive home textiles and other high-end products. At Steiner1888, we carefully use this exceptional natural fibre where its outstanding qualities can truly shine – in luxurious cashmere blankets and premium home accessories designed for exceptional comfort.

3. Properties & Benefits of Cashmere Wool

Fibre Diameter and Structure

The fineness of cashmere wool is measured in microns and is one of the most important indicators of its quality.

Cashmere Wool: approx. 12–19 microns
Merino Wool: approx. 17–24 microns
Native Mountain Sheep Wool: approx. 30–40 microns

This makes cashmere one of the finest animal fibres in the world. Its exceptionally smooth fibre surface gives premium cashmere textiles their characteristic softness, elegant drape and luxurious feel.

4. Applications of Cashmere Wool

Cashmere is one of the world's most exclusive natural fibres and is primarily used wherever exceptional softness, natural warmth and luxurious comfort are desired. Thanks to its fine fibre structure and lightweight feel, cashmere is especially valued for premium home textiles, clothing and high-quality accessories.

5. Caring for Cashmere Wool

Cashmere wool is exceptionally fine and soft, so it should be cared for gently. In many cases, regular airing is all that is needed, as the fibres naturally resist absorbing odours. Washing less frequently helps protect the delicate fibres and extends the life of the material.

When cleaning is necessary, gentle hand washing in cool to lukewarm water with a special wool or cashmere detergent is recommended. If permitted by the care label, a delicate wool cycle in the washing machine may also be used. Avoid excessive rubbing, spinning or hot water, as these can damage the fine fibres.

After washing, gently press out excess water without wringing. Reshape the item while damp and dry it flat. Direct sunlight, radiators and tumble dryers should be avoided, as they can damage the delicate fibres.

Small fabric pills are a natural characteristic of cashmere and can be carefully removed using a cashmere comb or fabric shaver.

With the right care, cashmere will remain soft, elegant and beautifully comfortable for many years.

Care Guide & Frequently Asked Questions

6. Structure of the Cashmere Fibre

Like all animal fibres, cashmere consists primarily of keratin – a natural structural protein that gives the fibre its elasticity, durability and resilience. The structure of the cashmere fibre is fundamentally similar to that of other animal fibres, but it is distinguished by its exceptionally fine fibre diameter, delicate scale structure and a medulla that is either only weakly developed or entirely absent. These characteristics are responsible for cashmere's remarkable softness and lightweight feel.

Cuticle

The cuticle forms the outer layer of the cashmere fibre. It consists of fine, overlapping scale cells that protect the fibre while contributing to its exceptionally soft handle. Compared to coarser wool fibres, the scales are flatter and finer, giving cashmere its characteristic smoothness and luxurious softness.

Cortex

The cortex makes up the largest part of the cashmere fibre. It consists of millions of fine fibre cells that provide elasticity, shape retention and excellent temperature-regulating properties. At the same time, the fibre can absorb and release moisture without feeling damp, ensuring outstanding comfort.

Medulla

Unlike coarser wool fibres, the medulla in high-quality cashmere is only weakly developed or almost entirely absent. This contributes to the exceptionally fine, lightweight and soft character for which cashmere is valued around the world.

The interaction of these fibre components gives cashmere its unique combination of lightweight comfort, outstanding thermal insulation, excellent breathability and exceptional softness. These qualities make cashmere one of the world's most exclusive and luxurious natural fibres.

7. History, Origin and Significance of Cashmere Wool

7.1 The Origins of Cashmere Wool

Few natural fibres have shaped the world of luxury quite like cashmere. For centuries, cashmere wool has been synonymous with exceptional softness, rare craftsmanship and timeless elegance. Its history is closely linked to the high mountain regions of Central Asia, traditional processing techniques and the long-established trade in premium cashmere textiles.

Cashmere wool takes its name from the Kashmir region in the Himalayas, which was renowned for centuries as a centre for the production and trade of exceptionally fine cashmere shawls. However, the use of this precious fibre dates back much further. Thousands of years ago, nomadic herders in the highlands of Central Asia were already using the fine undercoat of their goats to protect themselves from extreme cold.

The goats live in regions with harsh winters, dry air and dramatic temperature fluctuations. To survive these conditions, they develop an exceptionally fine and dense undercoat known as the duvet. It is this soft undercoat that provides the valuable cashmere fibre, which remains one of the finest and most precious animal fibres in the world today.

7.2 Cashmere as a Luxury Fibre

Over the centuries, cashmere became one of the world's most sought-after luxury materials. Exceptionally fine cashmere shawls were regarded in many cultures as symbols of wealth, elegance and outstanding craftsmanship. For generations, genuine cashmere was reserved for royal courts, nobility and the wealthy elite.

The extraordinary rarity of the fibre made cashmere textiles highly prized status symbols, valued not only for their practical qualities but also for their exclusivity, sophistication and cultural significance. During the 16th and 17th centuries, the art of cashmere weaving flourished, and premium cashmere textiles were traded along major trade routes, eventually reaching Europe, where they quickly gained great popularity.

The luxurious natural fibre achieved its international breakthrough in the 19th century, particularly in Paris, where cashmere became an essential part of high-end fashion and elegant wardrobes.

Today, genuine cashmere remains one of the world's most exclusive and valuable natural fibres. Its exceptional value is the result of its natural rarity, the labour-intensive harvesting process and the extraordinary fineness of the fibre. Each cashmere goat produces only a small amount of usable undercoat each year, which must then be carefully cleaned, sorted and processed. The finest, longest and lightest-coloured fibres are considered the highest quality and are therefore especially rare.

7.3 Sustainability & Current Challenges

Today, most cashmere fibres originate from China and Mongolia. As global demand for cashmere continues to grow, so do the challenges related to animal welfare, sustainable grazing and responsible resource management. At the same time, awareness is increasing for responsibly sourced raw materials and high-quality products designed to last.

However, sustainability in cashmere begins long before the finished product reaches the customer. It is also defined by durability. Premium cashmere blankets, home accessories and textiles are often enjoyed for many years, sometimes even passed down through generations. This longevity makes cashmere a conscious choice for those who value lasting quality over short-lived trends.

High-quality cashmere therefore stands for timeless elegance, careful craftsmanship and products made to endure. Its unique combination of natural rarity, exceptional softness and remarkable longevity continues to make genuine cashmere one of the world's most desirable natural fibres.

At Steiner1888, we use cashmere where its exceptional qualities can truly shine: in luxurious cashmere blankets, premium home accessories and carefully selected lifestyle products. In this way, cashmere combines incomparable softness, natural warmth and sophisticated living with timeless quality and lasting value.