OEKO-TEX Standard 100
Confirms that materials have been tested for substances harmful to health and meet REACH requirements
Strevos production and quality
Every product in our range meets the requirements appropriate to its material and production technology. The set of certificates depends on the material and product, as different standards apply to technical clothing, recycled materials and cotton products.

Confirms that materials have been tested for substances harmful to health and meet REACH requirements
We use Japanese water-based Epson inks certified to OEKO-TEX ECO PASSPORT.
The certificate confirms compliance with safety requirements for chemicals used in textile production. The inks also comply with REACH and ZDHC MRSL, which restrict the use of hazardous chemicals.
Confirms the use of certified recycled fibres. The standard also covers environmental aspects, chemicals used and working conditions. Certified by Control Union.
A performance technology from The LYCRA Company using recycled fibres.
Depending on the model, these may include:
Certification for organic cotton without GMOs or harmful chemicals. It covers environmental and social criteria and supply chain traceability. Certified by Control Union.
Confirms the use of recycled fibres such as cotton, polyester or nylon, and covers environmental, chemical and working conditions requirements. Certified by Control Union.
Confirms the certified organic fibre content of a product. Available on selected models.
Confirms the absence of substances harmful to health and compliance with REACH requirements.
Membership demonstrating a commitment to working conditions in sewing facilities and throughout the production chain.
| Certificate | what it covers | where it applies |
|---|---|---|
| OEKO-TEX Standard 100 | Confirms that materials have been tested for substances harmful to health and meet REACH requirements | Material safety matters across the Strevos range |
| OEKO-TEX ECO PASSPORT | The certificate confirms compliance with safety requirements for chemicals used in textile production. The inks also comply with REACH and ZDHC MRSL, which restrict the use of hazardous chemicals. | For sublimation, we pay attention to the ink too |
| GRS - Global Recycled Standard | Confirms the use of certified recycled fibres. The standard also covers environmental aspects, chemicals used and working conditions. Certified by Control Union. | For selected technical fabrics |
| COOLMAX EcoMade | A performance technology from The LYCRA Company using recycled fibres. | For selected technical fabrics |
| GOTS - Global Organic Textile Standard | Certification for organic cotton without GMOs or harmful chemicals. It covers environmental and social criteria and supply chain traceability. Certified by Control Union. | For cotton products |
| GRS - Global Recycled Standard | Confirms the use of recycled fibres such as cotton, polyester or nylon, and covers environmental, chemical and working conditions requirements. Certified by Control Union. | For cotton products |
| OCS - Organic Content Standard | Confirms the certified organic fibre content of a product. Available on selected models. | For cotton products |
| OEKO-TEX Standard 100 | Confirms the absence of substances harmful to health and compliance with REACH requirements. | For cotton products |
| Fair Wear Foundation | Membership demonstrating a commitment to working conditions in sewing facilities and throughout the production chain. | For cotton products |
what it covers
Confirms that materials have been tested for substances harmful to health and meet REACH requirements
where it applies
Material safety matters across the Strevos range
what it covers
The certificate confirms compliance with safety requirements for chemicals used in textile production. The inks also comply with REACH and ZDHC MRSL, which restrict the use of hazardous chemicals.
where it applies
For sublimation, we pay attention to the ink too
what it covers
Confirms the use of certified recycled fibres. The standard also covers environmental aspects, chemicals used and working conditions. Certified by Control Union.
where it applies
For selected technical fabrics
what it covers
A performance technology from The LYCRA Company using recycled fibres.
where it applies
For selected technical fabrics
what it covers
Certification for organic cotton without GMOs or harmful chemicals. It covers environmental and social criteria and supply chain traceability. Certified by Control Union.
where it applies
For cotton products
what it covers
Confirms the use of recycled fibres such as cotton, polyester or nylon, and covers environmental, chemical and working conditions requirements. Certified by Control Union.
where it applies
For cotton products
what it covers
Confirms the certified organic fibre content of a product. Available on selected models.
where it applies
For cotton products
what it covers
Confirms the absence of substances harmful to health and compliance with REACH requirements.
where it applies
For cotton products
what it covers
Membership demonstrating a commitment to working conditions in sewing facilities and throughout the production chain.
where it applies
For cotton products
Strevos is a platform for designing, ordering and selling personalised clothing
Built for clubs, teams, coaches, brand creators and communities that want their own clothing without large orders, storage or weeks of waiting.
On the platform, you can create your own design, place a group order or launch a free store that is built automatically alongside your products. We manufacture fully personalisable technical clothing in Poland from 1 item, in 2–5 working days.
Choose a product and create your own design. We adapt the rest of the process to the material and technology, and start production once an order is placed.