Ferre / Sustainability / Certifications

Ensuring transparency

All of our sustainability claims are supported by the most respected third-party certifications, as well as by studies we have conducted using LCA (Life Cycle Assessment) methodology, which have also been third-party reviewed.

Ferre Yarns


Standard 100 of OEKO-TEX®

Ferre is OEKO-TEX® STANDARD 100 certified. It is one of the world’s best-known labels for textiles tested for harmful substances. Represents customer trust and high product safety. The test is performed by independent OEKO-TEX® partner institutes and numerous regulated and unregulated substances are taken into account, which can be harmful to human health. In many cases, the limit values of the STANDARD 100 go beyond national and international requirements.

Global Recycled Standard (GRS)

Ferre is GRS certified. Global Recycled Standard (GRS) is an international, voluntary, full product standard that sets requirements for third-party certification of recycled content, chain of custody, social and environmental practices and chemical restrictions. The GRS is intended to meet the needs of companies looking to verify the recycled content of their products and to verify responsible social, environmental and chemical practices in their production.

OCS Blended – Organic Content Standard

Ferre is OCS certified. The Organic Content Standard (OCS) applies to any non-food product containing 5-100 percent organic material. It verifies the presence and amount of organic material in a final product. Further OCS tracks the flow of a raw material from its source to the final product. This process is then certified by an accredited third party.

Forest Stewardship Council (FSC)

Forest Stewardship Council (FSC)

Forest Stewardship Council (FSC) is the world’s most respected and widespread forest certification system and covers more than 200 million hectares of forest. Among other responsibly sourced forest products, Forest Stewardship Council label can be applied to man-made cellulosic fibers (MMCFs) derived from wood, like viscose, modal and lyocell.

I calculate, I compensate, I reduce

Ferre is “I calculate, I compensate, I reduce” certified. This carbon footprint registry, created by the government of Spain, collects the efforts of Spanish organizations in calculating and reducing greenhouse gas emissions generated by their activity. In turn, it facilitates the possibility of offsetting all or part of their carbon footprint, through a series of forestry projects located in the national territory. These projects include numerous environmental and social benefits, among which is the absorption of carbon dioxide from the atmosphere, also known as carbon sequestration.


At Ferre we use the Life Cycle Assessment (LCA) methodology to measure the environmental footprint of our products from cradle-to-grave. For this, we observe metrics such as the carbon footprint, the water footprint, the use of chemicals and others. This assessment of the environmental impact of our products has been third-party reviewed by AITEX, Universitat de València and UNESCO, to ensure transparency.

Associations and Commitments

Textile Exchange

Ferre is a member of Textile Exchange, a global non-profit organization that focuses on minimizing the harmful impacts of the global textile industry and maximizing its positive effects, as well as helping to establish good practices and fair business models throughout the supply chain.


With the aim to boost authentication, transparency and sustainability, we have partnered with Aware™ to make our recycled yarns 100% traceable and easily verifiable for brands and partners.

Aware™ tracer- and blockchain technology assigns unique “digital passports” to our products, which can be scanned at every stage of the supply chain to give manufacturers, brands and end consumers direct access to all traceability data and ensure that their choice of Ferre recycled yarns enables circularity, today and in the future.