Sustainability - Materials

at Katharine Hamnett

We are committed to only using raw materials from sustainable sources: organic, regenerated or recycled.

We are transparent about all fabrics, trims and processes that we use to make our products, explaining how we verify their sustainability credentials and the reasons we choose the materials we do.

Detailed information on how we source materials can be found in our Katharine Hamnett London Responsible Sourcing Policy.

Bio Fur

Our solution: Our bio-fur has no plastic-based content. It is 100% biodegradable and is made from mohair, which is sheared from angora goats and sourced from farms that adhere to the Sustainable Mohair Production Guidelines...

Eco Technical Cotton

Our solution: Recycled polyester can be blended with other fibres to improve the durability and performance of a garment, while taking plastic waste out of the environment...

Merino Wool/Cashmere Blend

Our solution: We experiment with different types of wool compositions to find the highest performing sustainable blend.Our supplier for this merino wool/cashmere blend has been awarded for ...

Organic Comfort Denim

Our solution: 100% of the cotton in our denim is organic and is Global Organic Textile Standard (GOTS) certified, which covers stringent environmental and social criteria along the entire organic textiles supply chain including water and hazardous chemical use...

100% Organic Cotton

Our solution: Organic cotton enables farmers to feed, clothe, educate their families and afford healthcare. It uses less water than conventional cotton...

100% Organic Supima Cotton

Our solution: Organic cotton enables farmers to feed, clothe, educate their families and afford healthcare. It uses less water than conventional cotton...

100% Organic Wool

Our solution: We are committed to our animal welfare principles that respect the rights of animals and the protection of their habitats. We ensure that all our virgin wool is ...

Organic wool/Alpaca Blend

Our solution: Wool is widely used for its natural performance properties, like comfort, warmth and durability. However, there are many environmental, biodiversity and animal welfare issues...

Recycled Polyester and Recycled Down

Our solution: Our puffa garments are made from 100% recycled polyester that is water-resistant, lightweight and warm. Our polyester is recycled from post-consumer waste ...

100% Recycled Polyester

Our solution: Our recycled polyester fabric is made from 100% recycled polyester that is Global Recycled Standard (GRS) certified. GRS is an international standard that sets stringent requirements ...

Regenerated Baby Camel Hair

Our solution: Increasing global demand for cashmere products is driving devastating environmental and social issues in cashmere producing regions. Grassland overgrazing, desertification and...

Regenerated Cashmere

Our solution: While the negative impact of virgin cashmere is so high, we will use alternatives such as regenerated cashmere. We recover leftover cashmere fabric offcuts...

Regenerated wool

Our solution: We use both Global Organic Textile Standard (GOTS) certified virgin wool fibres and regenerated wool in our collection. GOTS certification covers stringent environmental and social criteria...

Silk

Our solution: Our silk comes from conventional sources. We are working to convert from conventional to organic silk. We have trialled other alternatives such as Peace Silk...

Tencel

Our solution: We use Tencel as it is the only viscose that is sustainably produced using the Lenzing process, which does not discharge toxic chemicals into the environment...