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When we decided to start KIYO, our goal is to try our best to produce socks as responsibly as we can. We want to be as transparent with you as possible. We are hoping as we grow, we will also implement better ways into the sustainability and ethics of the production. Below are a more detailed look on our sustainability (bear in mind, it can get a bit boring but we love sharing all these details with you):


We work with a manufacturer based in Indonesia. 

Our socks manufacturer have certification in Standard 100 by OEKO-TEX. This means that every component of the textile has been tested for harmful substances and therefore is harmless for human’s health. For more info on Standard 100 by OEKO-TEX, go here.

They also have audits done by BSCI, and they have been given an overall rating of A. This audit essentially covers the fairness of the workplace of the manufacturers. The manufacturer is paying their workers a living wage for the area (Bandung, Indonesia). To learn more about BSCI, go here.


Our socks are made with organic cotton, grown in a farm in India. The organic cotton fibres themselves have GOTS certification. So, why organic cotton?

Organic cotton farming doesn’t use harmful chemicals, therefore is friendlier to the environment and the farmers. It is also safer for people with chemical sensitivity and allergies. It uses less energy, less water and has a lower carbon footprint than conventional cotton. Since cotton is a natural fibre, it will eventually biodegrade and break down much quicker than synthetic fibres.

Our socks are OCS-certified "made with organic" by CU 848737. Our socks are made with 75% organic cotton, 24% nylon and 1% elastane. The cotton was grown using no hazardous pesticides nor synthetic fertiliser. Organic production uses crop rotation and natural inputs (animal or green manure) to build fertility. This organic standard means that it requires crop rotation, soil conservation and soil management. The crop is around 75-80% rainfed. To learn more about OCS, go here.

As mentioned above, our manufacturer also has an OEKO-TEX certification. Which means all of the materials and products they produced have been tested for harmful substances (hint: no harmful substances are detected!). They are in "product class 1", this class has the strictest requirements and limit values. Learn more about OEKO-TEX here.

We are not using any materials that are derived from animals.

We wrap our products in reused paper or in compostable, recyclable and recycled tissue paper by Noissue. So they are nice and neat! And then put them into a compostable bag (by Hero Packaging) to send our products to you.  

For shipping, we send our package to you via Sendle, a 100% carbon neutral delivery service, when possible. When it is not possible, then we use Australia Post, that also offers a carbon netural service.



As mentioned above, our socks manufacturer has a BSCI certification, which means it guarantees basic living wages, safe work conditions and no forced/child labour. The youngest workers in this manufacturer are 18 years old.

The workers are paid basic living wages for the area (Bandung, Indonesia). They also get transportation and meal allowance daily. The working hours are 40-45 hours/week. The factory pays 150% of normal pay for overtime hours on a normal working day, and 200% of normal pay for overtime hours on holiday.

The factory provides healthy and safe working environment and equipments (such as fire alarm, proper ventilation and lighting, first aid boxes, first aid training, evacuation plans and many more).


Got more questions?

We want to grow better, so we are constantly doing lots of research, reading, watching and listening. If you have more questions for us regarding the sustainability and ethics, or if you have suggestions on how we can improve them, send us an email at