PURE GOODS

At Kuyichi we take great care in the design of our pure goods focussing on the development of timeless products that can become your favourite. Not only do they have to stand the continuous change of trends, they should also be worn until they tear. We choose high quality materials and work on the longevity of our jeans constantly to achieve this. We love to give you some more info on the different materials and processes that we use.

If you want to dive in deeper in the whole process of our products, from the design to the final finish, you can check our sustainability report for some in-depth information on our supply chain and practices. 

PURE MATERIALS

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ORGANIC COTTON

Organic cotton is a pesticide and GMO-free alternative for conventional cotton. While only covering 2,5% of our agricultural lands, conventional cotton accounts for 16% of all the insecticides and 6,8% of all herbicides worldwide. Pesticides pollute soil and water, killing wildlife and harming communities. By using organic cotton we protect the local environment, biodiversity, the farmer and the workers. All the cotton we use is fully organic and GOTS certified. Find our organic cotton items here.

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RECYCLED COTTON

Since 2012 we have been using recycled cotton in our denim fabrics. Cotton waste is captured or collected, shredded and re-spun into a new one-of-a-kind yarn. Recycling greatly reduces the water, energy and chemicals needed to produce virgin fibres. All products stating recycled cotton use cotton fabric and fibres that are wasted in the production chain. From fibres captured during the spinning, dyeing and weaving processes, to fabric scraps in the cutting stage. This way we cut down and utilise waste streams in our facilities.

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RECYCLED POLYESTER

To make recycled polyester, plastic bottles are collected, shredded and re-spun. This saves over 75% of the greenhouse gas emissions and more than 90% of the chemicals needed to produce virgin polyester. Furthermore, recycling PET stops plastic from polluting the land and oceans. We use the GRS (Global Recycling Standard) certificate on fabrics  that  contain recycled polyester. This guaranteed that only post-consumer PET bottles are used for our recycled polyester yarns. 

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POST-CONSUMER RECYCLED DENIM

PCRD stands for Post-Consumer Recycled Denim, which means that the fibre being used for new denim, has already had a full life. It has been produced, worn and discarded. After cutting off the top of the jeans, the remains are shredded and then blended into new yarns. The top with the waistband is cut off as it contains a lot of metal parts, that can disrupt the shredder. Using the post-consumer clothing wastestream has several benefits. Fewer clothes will end up in landfill and fewer chemicals and water are needed for cotton production and fabric dyeing. Increasing the use of PCRD is part of the Global Fashion Agenda commitment we signed. Find our items made with PCRD here.

TENCEL

Tencel is the sustainable sister of viscose, made by Lenzing. Tencel is made from FSC certified eucalyptus wood pulp. It uses a closed-loop production process, meaning that over 99% of the resources are captured and recycled from the process. Using Tencel fibres reduces greenhouse gas emissions by almost 50% and water consumption by 90% versus conventional cotton. It feels soft, doesn’t crease, is durable and compostable. We only use Lenzing Tencel, since they have the highest environmental standard in man-made fibres. 


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MICRO-MODAL

Micro-modal is a super soft fabric that uses finer fibres compared to normal modal. The cellulose source comes from sustainable beech tree nurseries. Lenzing makes this fibre in a closed-loop process that limits the use of water and energy and recovers the resources needed for the production of the fibres. It saves over 10 times the amount of water needed for conventional cotton production. The micro-modal fibres have a low environmental footprint and are compostable. Lenzing guarantees low-impact man-made fibre production for us. Here you can find our items made with micro-modal. 

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REFIBRA

Refibra is the next step for sustainable fibres producer Lenzing. This man-made fibre is made with the same closed-loop technique as Tencel, in which they re-use the solvents over and over. The difference is that they use not only wood pulp, but also cotton cutting waste from production. With an innovative identification technique the origin of the cotton waste is guaranteed. Their goal is to use post-consumer waste. Find our styles with Refibra here.

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LINEN

Linen is made from the strong fibres in the stems of the flax plant. Flax is a low demanding plant, growing well in more mediate climates. The flax plant needs few to none pesticides. It’s one of the strongest - and oldest - fibres out there with a high durability. Linen gives your clothing a nice fresh, crisp and richly-textured feeling. All our linen is farmed in Europe, in France and Belgium to be exact.

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T400 ECOMADE

T400 ecomade is an innovation fibre from Lycra. It’s composed from one part recycled PET polyester, one part plant-based polymers and one part virgin polyester. The different components react differently to your body warmth, creating the stretch while keeping the shape of the fibre. This means your denim literally needs to warm up to you to give a comfortable stretch for your body. The biggest benefit of T400 ecomade is the recovery, it turns back to it’s original shape after cooling down, creating a lasting fit of your denim.

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VEGETABLE-TANNED LEATHER

We strictly only use vegetable-tanned leather. Using vegetable tanning reduces chemical risks like heavy metals and other harmful susbstances used in the production of the leather, protecting both the environment and the workers. Vegetable tanning is an old craftmanship that keeps nature in mind. Combine this with new environmental practices and you’ve got yourself a clean process. All leather we use comes from European cows that are primarily farmed for their meat and is therefor a by-product of this industry. More about our leather suppliers here

PURE PROCESSES

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LOW IMPACT WASHES

There are a lot of different ways to create a more sustainable wash on your denim. Every style has it’s unique wash recipe to get to the ideal ‘worn-in’ look. You can use different technologies like laser, ozone and e-flow machines or substitute harmful chemicals for better low-impact ones. We constantly work on improving our washes through incorporating these options in our wash recipes. Read more about low impact wash techniques here. Water saving techniques are not only used during washing, also in our dyeing processes our suppliers limit the consumption of water. Besides they take care that the wastewater that comes out of the processes is cleaned and filtered and recycled as much as possible. The best options are our undyed denim items.   

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EIM SCORES

EIM stands for Environmental Impact Measuring. This tool is developed by Jeanologia, a company which develops machines and sustainable technologies for the fabric and garment finishing industry. EIM makes it possible to calculate the exact water, energy, chemicals and worker impact of our pure goods! In our sustainability report we dive deeper into the numbers behind our denim washes and the results that we have booked this far. Find the report on the top of this page and our items here

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BETTER CHEMICALS

In our dyeing and washing processes we focus on using new techniques and better chemicals with a lower environmental impact. These chemicals comply with ór the certification the product or fabric has or our (M)RSL. Part of this document is the Zero Discharge of Hazardous Chemicals MRSL, which restricts hazardous inputs throughout the chain. Certification with chemical restrictions we often used on our products or fabrics are GOTS, GRS and OEKO-TEX 100. 

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VEGAN PATCHES

Since 2016 we’ve replaced the leather patches with jacron patches on the back of our jeans. Jacron is a washable and resistant material made from - in our case recycled - paper and glue. By using jacron patches, our jeans became vegan-proof. From 2020 we’ll gradually change to the Viridis patch from Panama trimmings. These green PU patches are made from 48% corn polyols, 26% cotton and 26% normal PU. Not only are our patches a vegan substitute for leather ones on denim, it also has a lower environmental and worker impact.

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RECYCLED POLYESTER SEWING THREAD

We were the first denim brand using Ecoverde recycled polyester sewing threads by Coats. These recycled threads have exactly the same performance and durability as the non-recycled threads that are conventionally used but bring the benefit that no new resources are needed to produce the yarn. Coats, as a global leader in sewing threads, is working on improving their own sustainability and the ecoverde thread is one of the outcomes of this process.

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NATURAL INDIGO

The color indigo has a rich history. Natural indigo is one of the oldest colors used for dyeing textiles. Blue pigments – from plants – were rare and therefore it was an expensive color. In the 19th century synthetic indigo was developed which made it cheaper to use. Unfortunately, synthetic pigments cause way more pollution, as these pigments don’t biodegrade and therefore the water needs to be filtered with care. Find our natural indigo dyed denims here.

CERTIFICATES & INITIATIVES

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GLOBAL ORGANIC TEXTILE STANDARD

GOTS stands for the Global Organic Textile Standard. This is a global textile standard for organic fibres, which also includes ecological and social criteria. The aim of the standard is to ensure organic standards – from the farming, through the manufacturing process to the labeling – proven by a chain of custody in order to offer a credible global certificate to the consumer, from materials to the end product. GOTS has different cetification levels, raw matetials, yarns, fabrics and products can be GOTS certified. All the organic cotton we use, some of our fabrics (even our pocket lining!) and some full products are GOTS certified. At product level you can see what certification applies to the product.

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GLOBAL RECYCLED STANDARD

The Global Recycling Standard is the twin sister of GOTS brought to life by Textile Exchange. GRS proves verified recycled content and also includes social and environmental criteria and chemical restrictions in processing. With GRS the origin of recycled material is also confirmed as pre- or post-consumer of all kinds of fibres, from natural to synthetic. At least 20% of the fibres in a product need to be of recycled origin to apply for a GRS certificate. We use GRS on fabrics with recycled content.

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ORGANIC CONTENT STANDARD

In our fabrics with recycled fibres we do of course also use organic fibres. OCS certification is a standard to claim this organic content. They do not have extra criteria when it comes to environmental, chemical or social standards. Instead they fully focus on the credibilty of organic content. If a product consists of 5% to 95% you can apply for OCS blended certification or if more than 95% of the fibres are organic, OCS 100 can be applied for. For our recycled fabrics we often use OCS blended certification as proof for the organic content.

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OEKO-TEX STANDARD 100

OEKO-TEX 100 is a certification standard that focuses on quality and chemical safety of textile products and accessories. The standard works with a criteria catalogue to which all different components of a product need to comply. Independent parties perform tests to check on, for instance, substances that are harmful to our health. In practice this means that all of our zippers, buttons and sewing threads are tested and clear of harmful substances. Also some of our fabrics are OEKO-TEX 100 certified, which means that the dyeing process is within the chemical limitations of the standard. 

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PETA APPROVED

We’re very proud that almost all of our Pure Goods are officially PETA approved! PETA provides companies and consumers with a list to identify and avoid animal ingredients in textiles, shoes and accessories. To ensure our suppliers are compliant with the PETA certificate, we provide all our suppliers with our own questionnaire which they have to check and sign to confirm that they do not use animal contents in the garments with the PETA approved trademark. Because of this questionnaire we know exactly which of our products are vegan and which aren’t.

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FAIR WEAR FOUNDATION

The Fair Wear Foundation is an international independent organisation that fights for better labour conditions in the fashion industry. Since the beginning of 2020 we are a proud Fair Wear member. Fair Wear works on the principals of their ‘Code of Labour Practice’ (their own code of conduct), based on 8 internationally agreed labour standards, such as no child labour and reasonable working hours. Fair wear has a lot of tools and (local) in-depth knowledge to help us do better. With their support, we will work relentlessly on improving working conditions. 

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TRANSPARENCY PLEDGE
& OPEN APPAREL REGISTRY

With signing the Transparency Pledge last November we pledged to at least bi-annually publish on our site an updated supplier list, stating full name, address, parent company, type of products and worker numbers. We’ve also uploaded this list to the Open Apparel Registry, an online database with all publicly available supply chain data. This database uses publicly available supplier lists or brands can upload their own. The goal is that the database sparks collaboration between brands and NGO’s and between brands that share the same facility to improve the working conditions in these facilities.

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CIRCLE ECONOMY

Circle Economy works to accelerate the transition to a circular economy. As an impact organisation, they work to identify opportunities to turn circular economy principles into practical reality. We started their Switching Gear project to set up an innovative circular business model. This project is a journey of 2 years guided by a multidisciplinary team of circularity experts, design thinkers and researchers. The Circle Economy team, together with their partners, will support Kuyichi in the design and launch of a circular business model pilot, that takes back and resells used denim, and combines a strong environmental and business case.

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DUTCH AGREEMENT ON
GARMENTS AND TEXTILES

The Dutch Agreement on Sustainable Garments & Textiles (AGT) is a coalition of brands, branch organisations & NGO’s that aim to improve working conditions, prevent polution and promote animal welfare in the industry. Their approach is based on the OECD guidelines, based on a continuous circle of improvement with risk analyses. AGT brands need to do risk analyses to define the risks that occur or are likely to occur in their supply chain. Based on their severity, brands need to start taking short and long-term SMART actions to limit these risks. Kuyichi has been part of the agreement since January 2019.

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WATER FOOTPRINT IMPLEMENTATION

Water footprints (developed by Arjen Hoekstra in 2002) can be calculated for different things, from an individual person to a product’s entire value chain or nation. The Water Footprint Implementation is part of the Water Footprint Network and provides powerful insights for businesses to understand their water-related business risks. These help drive strategic action toward sustainable, efficient and equitable water use. Together with Water Footprint Implementation we will calculate the water footprint of our jeans. Not just a general number, but divided into groundwater (blue), rainwater (green) and wastewater (grey). Stay tuned!

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