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True Denim

Materials are a central component of our products.

On this page, we provide insight into the types of fibers we use at Mustang, show in which areas we use certified or comparatively more responsible fiber alternatives, and explain the goals we have set for selected materials. We differentiate between natural fibers and synthetic fibers in textiles. Natural fibers consist of raw materials found in nature; synthetic fibers can be of natural or non-natural origin. In selected areas, we are working to increase the share of organically certified, recycled or alternatively sourced materials. This development takes place step by step and refers specifically to the material groups and targets mentioned. The statements on this page each refer to the specifically mentioned materials, programs or objectives.
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Natural fibers

Natural fibers are renewable raw materials obtained from plants or animals that are processed directly without synthetic processes.
Cotton
Cotton is the fiber we use most frequently. According to our data, we use cotton for around 90% of our total annual fiber volume.

However, the resource-intensive cultivation of conventional cotton can have a massive negative impact on the environment and the people involved in the production process.
That’s why our sourcing strategy consists of sourcing BCI Cotton under the mass balance Chain of Custody, and certified cotton since 2023. In 2025, we sourced 80,9% of our cotton as BCI Cotton

We became a member of the Better Cotton Initiative (BCI™) in December 2020. BCI is the world`s largest cotton sustainability program, whose mission is to help cotton communities survive and thrive while protecting and restoring the environment. BCI advocates for the rights and well-being of cotton farmers around the world and promotes better standards in cotton farming practices. BCI uses a chain of custody model called mass balance, which cannot be physically traced back to the final product. However BCI farmers benefit from the demand for BCI Cotton in a quantity to that which we ‘source‘.

Since October 2022 we are certified to the Organic Content Standard (OCS) and the Recycled Claim Standard (RCS), Control Union (1138780). Products certified to the Organic Content Standard (OCS) contain organically grown material (such as cotton) that has been (independently) verified at each stage of the supply chain, from source to final product. Products certified to the Recycled Claim Standard (RCS) contain recycled material (such as cotton) that has been (independently) verified at each stage of the supply chain, from the recycler to the final product. Only the products which carry the Organic Content Standard (OCS) or the Recycled Claim Standard (RCS) label and claim are certified. Our certified products are identified by a label on the hangtag.
Animal fibers
Our Animal Welfare Policy defines which animal fibers may be used in our products. Specifically, this means that we do not use noble hairs such as angora and cashmere. Since the Autumn/ Winter 2024 collection, all of our alpaca fibres are certified to the Responsible Alpaca Standard (RAS) and all of our mohair is certified to the Responsible Mohair Standard (RMS), Control Union (1138780). Products certified to the Responsible Alpaca Standard or the Responsible Mohair Standard contain alpaca fiber or mohair from farms certified to animal welfare and land management requirements. Both standards ensure the traceability of the fibers from the source to final product. Only products which carry the RAS label and claim or the RMS label and claim are certified. Our RAS and RMS certified products can be identified by the RAS or RMS label on the hang tag. We completely avoid fur, down, silk or exotic skins and only use leather when it is a byproduct of the food industry.

We participate in initiatives such as the Four Paws campaign against mulesing and consider their animal welfare requirements when making sourcing decisions. This method involves cutting skin from lambs without anesthesia. A procedure that we strictly reject. The wool we use is sourced in accordance with requirements that exclude mulesing. Additionally, since August 2022, we are certified to the Responsible Wool Standard (RWS), Control Union (1138780). The Responsible Wool Standard describes and certifies animal welfare and land management practices in wool production and tracks the certified material from farm to final product. Only products which carry the RWS label and claim are certified. Our RWS certified products can be identified by the RWS label on the hang tag.

Man-made fibers

Man-made fibers include all fibers that are produced industrially or chemically. Depending on the raw material, they are divided into two subgroups: synthetic fibers, which consist of synthetic polymers (e.g. polyester, polyamide, elastane), and regenerated fibers, which consist of natural polymers (cellulose) and are chemically processed (e.g. lyocell, viscose, modal, cupro).

We also regularly use TENCEL™ Lyocell and Modal fibres.
TENCEL™ Lyocell and Modal fibers are made from wood, a natural and renewable raw material carefully sourced from responsibly managed forests.
The wood taken from nature is purposefully balanced with forest growth rates, to ensure the continued availability of this valuable resource.
The wood used as raw material for all TENCEL™ Lyocell and Modal fibers is sourced from certified (FSC® or PEFC certification*) or controlled wood sources

We are certified to the Recycled Claim Standard (RCS).
Products certified to the Recycled Claim Standard (RCS) contain recycled material that has been (independently) verified at each stage of the supply chain, from the recycler to the final product.
Only the products which carry the Recycled Claim Standard (RCS) label and claim are certified. Our RCS certified products are identified by a RCS-label on the hangtag.
Since 2025, we have been working towards the goal of reducing the use of synthetic fibres.
*FSC® (FSC-C041246) or PEFC (PEFC/06-33-92) certification.
0
million liters of water
have been saved thanks to our Better Cotton sourcing¹
0
kilograms pesticides
are estimated to have been avoided in 2022¹
0
thousand euro
in additional profits for Better Cotton farmers²
0%
of all our products
containing cotton were sourced as more sustainable cotton (Better Cotton³ or higher certified)
¹ Estimated figures from Better Cotton for the year 2022

²  Better Cotton farmers experience profit increases for a variety of reasons, typically due to higher yields and/or optimised use of inputs (such as irrigation water, pesticides or fertilisers).

³ Better Cotton is sourced through a mass balance system and is not physically traceable to the final product. 1 Estimated figures from Better Cotton for the
year 2022.

Textile fibers

Textile fibers can be divided into two groups:

Natural fibers

0%
0%

Synthetic fibers

Measured in terms of our total fiber volume, we use natural fibers in around 90% of our product.
Natural fibers include plant fibers and animal fibers. They consist of naturally occurring, renewable raw materials.
Since 2023, we have switched completely to more sustainable cotton (Better Cotton or higher certified).
Cotton
plant based
Read more
Linen
plant based
Read more
Hemp
plant based
Read more
Wool
animal
Read more
Measured against our total fiber volume, we use synthetic fibers in around 10% of our products.
In the case of synthetic fibers, a distinction is made between those of natural origin (from naturally occurring, renewable raw materials, e.g. wood) and synthetic origin (from non-renewable raw materials, e.g. petroleum). 
From 2025, we aim to use more than 50% synthetic fibers of natural origin or synthetic origin recycled.
Viscose
natural origin
Read more
Modal
natural origin
Read more
Lyocell
natural origin
Read more
Polyester
synthetic origin
Read more
Polyamide
synthetic origin
Read more

Transport

We want you to be able to make a conscious decision. That's why we already inform you about the sustainability features of your product directly on the hangtag. You will also find this information on the Care Label and in our online store.
Note:
The information provided on this page relates in each case to the materials, sourcing models or targets described. It should not be understood as a general statement about the environmental impact of each individual product.
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