How are you sustainable?

Ethical & sustainable practices are at the core of what we do. This means that we carefully consider the impact that each of our decisions have on our workers, customers, suppliers, community, and the environment. 

It has always been a non-negotiable criteria for us to find manufacturers that share our aim of leaving a beneficial footprint for human society and the planet. We are proud to call our manufacturer a partner and work hand in hand with them to create better tights for you, and the planet. 

We are working towards eliminating the concept of waste by establishing waste management strategies, minimising or avoiding the use of chemical products and focusing on low energy and water consumption best practices. 


Our manufacturer’s commitment are:

Factories equipped with solar panels for energy production 

-  Factories equipped with water treatment and water recycling facilities 

Higg Index member, using a suite of tools to accurately measure and score their company and product sustainability’s performance

-  OEKO-TEX® Standard 100 certified, attesting that our products meet the strict limit values for harmful substances and are non toxic for our health 

-  ZDHC Contributor: Zero Discharge Hazardous Chemical, a certification and testing program to measure hazardous products  

- OEKO-TEX® Detox to Zero, monitoring chemical management and wastewater quality 

Our short term goal is to become B Corps certified, which will attest that Billi London meets the highest standard of verified social and environment performance, public transparency and legal accountability to balance profit and purpose.  


How do Billi London tights biodegrade?

We offer the world’s first enhanced biodegradable tights, decomposing in under 5 years in landfill versus 40 to 100 years for traditional tights (reference system: ASTM D5511 - Std test).

The manufacturing formula of the nylon that we use - a 6.6 polyamide, has been modified to attract microorganisms to accelerate its biodegradation process.  

These bacteria munch on the tights turning into organic matter in an anaerobic environment (an oxygen-free environment) and effectively making them disappear. It's not glamorous, but this environment is characteristic of landfills.

The elastane used is a special polymer decomposing without negative impact on the environment. It is certified cradle to cradle (the circular economy approach) by the institute Hohenstein which has set up tests to assess the rate of a product’s degradation. This certification validates that after 180 days, at least 90% of the final product must have disappeared.

To understand more, check out our explanation about biodegradability and waste management system here.


Are your tights made of recycled yarn?


Recycling an old pair of tights into a new one is not possible. So a laddered tight create waste. 

Using recycled nylon coming from other industries (such as fishnet for instance) is possible. Sadly recycled nylon will never come from your old tights.

It should also be noted that the technology behind recycling often requires the use of additional, often harmful chemicals. In addition, recycling very often deteriorates the quality of the fiber, thus reducing the possibility of recycling it indefinitely.


Are Billi London tights Vegan?

Of course they are! No tests are done on animals either.