5 most and least sustainable fabrics - 8Shades (2024)

As fast fashion begins to slow down, old and new brands are starting to see that not only are sustainable fabrics the best choice for the environment, they are also in higher demand than ever. We all know consumer demand is the key to creating lasting change and at 8Shades we are all about making more conscious choices even if it’s just a small change.

Did you know as much as 35% of all microplastics in the marine environment are fibres from synthetic clothing, largely a result of fast fashion. These fabrics are durable, cheap and easily available, but many of them are made through wasteful, chemically-intensive or ethically harmful processes.

Additionally, the fashion industry is responsible for 20% of global wastewater, while also releasing 50 billion plastic bottles’ worth of microplastics into the environment each year. So let’s all do our part.

Here’s our list of five synthetic fabrics to avoid:

Polyester, Acrylic and Nylon

Most synthetic fibres are made from crude oil, so they are non-biodegradable and not easily recyclable, each taking up to 200 years to break down. They also shed microplastics when used or washed with each washing cycle releasing over 700,000 microplastic fibres into the environment!

Polyester

Polyester is used in many products, from T-shirts to bottles. Polyester is incredibly water-intensive to produce and the wastewater contains harmful chemical dyes that spill into waterways, polluting local communities and causing health issues to factory workers.

Acrylic

Acrylic is used to make winter essentials, like sweaters, hats and gloves, but its environmental impact is not so warm and fuzzy- acrylonitrile, a key ingredient in acrylic production, can enter the body through skin contact or inhalation and cause dizziness, and nausea for the people making these clothes.

Nylon

Typically used in tights and stockings, as well as swim and activewear, its production uses massive amounts of water and energy, polluting water in the process. Producing nylon also creates nitrous oxide, a greenhouse gas that is 300 times more concentrated than carbon dioxide!

Cotton

Conventional cotton (not to be confused with organic cotton) is one of the biggest water-wasting crops on the planet; a single pair of jeans requires more than 70,000 litres, while a T-shirt requires 11,000 litres! Cotton farming also uses pesticides that sink into soil and water supplies. They don’t just harm bugs, short term pesticide exposure can cause nausea and seizures, while long-term exposure can cause asthma and cancer.

Rayon

In a prime example of greenwashing, rayon is considered the “sustainable alternative” to polyester. Rayon is made by dissolving cellulose (the main element of plant cell walls) into a chemical solution and then spinning it into threads. The fibre itself is biodegradable and non-toxic, making it popular in fast fashion, but it is extremely water, energy and chemical intensive. The demand for the plant-based material also increases the demand for, you guessed it, plants; worsening deforestation.

Biodegradability isn’t the only factor to consider though, durability contributes to slow fashion. So if it breaks down easily and naturally yet is not durable enough to wear for decades, is it really sustainable? We think not. Fear not though, all it takes is a little research to know what to look for and a few favourite brands that are doing things right.

5 most and least sustainable fabrics - 8Shades (1)

Thankfully, many in the industry are working to make sustainable clothing that doesn’t compromise on looks.

Here’s our list of 5 natural fabrics to buy more of:

Linen

One of the oldest known fibres, linen is also one of the most sustainable. Its production process requires less water and pesticides than many other materials, making it chemical residue-free. Linen is absorbent, durable and breathable; while the time-consuming production process generally makes it more expensive, linen can decompose in as little as two weeks in the right environment. Check out Hong Kong-based brand Classics Anew, who gives the traditional Chinese qipao a contemporary twist by blending organic cotton and linen with classic Chinese elements like mandarin collars and buttons.

Hemp

Hemp is the most durable of all natural fibres, requiring minimal water and pesticides, allowing it to decompose in as little as four months. Hemp also adds rich organic matter to soil, making it safe to dispose of. Lightweight and sweat-absorbent, hemp fibre is perfect for humid Asian weather. Levi’s Wellthread Collection includes its classic 511 jeans made with hemp fibre.

Organic Cotton

Not to be confused with “conventional” cotton, organic cotton is produced without pesticides or fertilisers, making the end products free of chemical residues and able to decompose within just 5 months. Everlane offers a vast range of clothing pieces that are made using recycled materials and organic cotton and has vowed to move all of its cotton to certified organic by 2023.

Soy

To produce soy fibres, soybean proteins are broken down and filtered into long strands. These fibres absorb dyes quickly and have UV-resistant qualities, making them ideal for summertime.

Cellulose Fibre

Cellulose fibres, including modal, viscose and lyocell, are extracted from plant-based materials and are recyclable, biodegradable, and dye well, resulting in less chemical pollution. Trenery incorporates light & airy cellulosic fibres in its clothing.

5 most and least sustainable fabrics - 8Shades (2)

We love that more and more clothing manufacturers are choosing to use eco-friendly fabrics and diversifying their products, while reducing reliance on any 1 material resource. Now you know that your choices are important in paving the way for a more sustainable future, doing good and looking good.

5 most and least sustainable fabrics - 8Shades (2024)

FAQs

What is the least sustainable fabric? ›

The least sustainable fabrics include polyester, conventional cotton, and viscose. They are produced in large quantities, accumulating huge adverse environmental impacts of global warming, land degradation, and pollution. Also, nylon and acrylic are nonbiodegradable fossil-based materials.

What is the most environmentally friendly fabric? ›

10 sustainable and eco-friendly fabrics
  • Organic hemp. Hemp is a versatile plant that can be used to make anything from food and building materials to cosmetics and fabrics. ...
  • Organic cotton. ...
  • Organic linen. ...
  • Recycled fabrics. ...
  • Lyocell. ...
  • Econyl. ...
  • Piñatex. ...
  • Qmonos.
Oct 13, 2021

Which of the four fabric has the least impact on the environment? ›

Linen. Linen is a natural fiber which stems from the flax plant. It uses considerably fewer resources than cotton or polyester (such as water, energy, pesticides, insecticides, fertilizers). Flax can grow in poor soil which is not used for food production.

What fabrics are not recyclable? ›

Polyester, Acrylic and Nylon

Most synthetic fibres are made from crude oil, so they are non-biodegradable and not easily recyclable, each taking up to 200 years to break down.

What material is not sustainable? ›

Polyester, acrylic, rayon, nylon and conventional cotton are the least sustainable fabrics. Polyester is often used in clothing items, and most polyesters are non-biodegradable, so it can take up to 200 years to break down if it ends up in a landfill.

What is the least toxic clothing material? ›

Nontoxic clothing materials like industrial hemp and bamboo actually use less water than crops like cotton and don't require the use of pesticides.

What is the most polluting fabric? ›

Polyester and Nylon: Polyester and nylon are used extensively in fashion, as they're cheap and durable. However they're extremely hazardous to the environment, as they're non-biodegradable and unsustainable. The production of nylon emits nitrous oxide, a greenhouse gas that triggers the destruction of the ozone layer.

What fabric sheds the most Microplastics? ›

A loosely woven fabric that feels fluffy or fuzzy, such as fleece, sheds more than a tightly woven one. While garments made of natural fibers, such as cotton and wool, would appear to be a solution, unfortunately they also shed microfibers that can pick up pollutants in the environment.

Which fabric has the lowest carbon footprint? ›

The carbon footprint (CF) of textiles depends generally on fabric types and production processes. Natural fibers such as cotton, wool, and silk, generally have a lower CF when compared to synthetic fabrics such as polyester and nylon, requiring more energy and chemicals during production.

Why is cotton not sustainable? ›

Water Contamination

Runoff of pesticides, fertilizers, and minerals from cotton fields contaminates rivers, lakes, wetlands, and underground aquifers. These pollutants affect biodiversity directly by immediate toxicity or indirectly through long-term accumulation.

What is the most warming fabric? ›

1. Wool. Wool is a great material and a natural fiber to wear during winter when the temperature drops because it keeps you warm by trapping air close to your skin. Wool is also a breathable and odor-resistant fabric that regulates body heat and prevents overheating when wearing too many layers.

Which is worse for the environment, polyester or nylon? ›

Nylon manufacture creates nitrous oxide, a greenhouse gas 310 times more potent than carbon dioxide. Making polyester uses large amounts of water for cooling, along with lubricants which can become a source of contamination. Both processes are also very energy-hungry.

What is the most sustainable fabric? ›

But even though it's important to consider them on a case by case basis, you can always refer to this simple sustainable fabrics list.
  • Recycled materials.
  • Hemp.
  • Linen.
  • Certified organic cotton.
  • Bamboo.
  • Modal fabrics.
Nov 8, 2023

What fabric does not decompose? ›

Non-biodegradable clothes are manufactured synthetic textiles including polyester, spandex, nylon, and rayon[*]. It may take between 20 to 200 years to fully biodegrade these textiles. Biodegradable Textiles: Cotton: Cotton is one of the most biodegradable fabrics you can have, especially if it is 100% cotton.

What makes a fabric unsustainable? ›

At this point, it should come as no surprise that any fabric derived from fossil fuels is considered unsustainable. Acrylic, commonly used in place of wool in sweaters and rugs, is made using highly toxic chemicals such as acrylonitrile.

What are poor quality fabrics? ›

Increasingly more and more clothing is made from manmade fibres, like polyester, viscose, nylon and acrylic. These fabrics are cheap to manufacture, but they don't necessarily last long. They are prone to pilling and losing their shape. Viscose is notorious for this.

Why is cotton not a sustainable fabric? ›

Cotton requires huge amounts of chemical fertilizers and pesticides to grow, polluting local ecosystems and the water from which farmers drink. It degrades soil quality, prevents biodiversity, and forces many to labour in tough conditions without fair pay.

Why is polyester not sustainable? ›

Yes, polyester is bad for the environment. It is a type of plastic that takes a long time to decompose and releases significant carbon emissions during production. The microfibers shed from polyester clothing can also harm the environment by entering water bodies and affecting marine life.

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