R&D / Research & Development

Berthéas currently allocates more than 4% of its turnover in R & D, which allows us to maintain a very high level of creativity and innovation for our clients:

Underwear fabrics

Underwear

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Sport, technique and PPE

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Paramedical fabrics

Some technical components — such as carbon yarn, conductive yarn, or flame-retardant yarn — can be leveraged for specific applications.

We assess all feasibility requests and adapt our materials according to the technical requirements of your products / projects.

Patents

Thanks to ongoing research, our patents protect our innovations and guarantee your exclusivity.

Stretch >Ctrl<®

  • Revolutionary elastic fabric
  • Combines comfort and support
  • Comfortable at rest and dynamic during the movements
  • Reduces oscillations while moving fast
  • Anti-rebound damping effect

Our patented Stretch Control technology is specifically designed to provide the perfect balance between comfort and support in elastic garments such as underwear, belts, shorts, or suspenders. Thanks to a unique combination of yarns with different elasticity levels, we control fabric stretch with great precision..

How it works :

  • Highly stretchable yarns, with elongation capacity up to 160%, ensure freedom of movement and comfort.
  • Shorter-elongation yarns, limited to around 90%, act as an elastic stop to prevent excessive deformation while maintaining optimal fit.
Technical stretch

Micro-Gripp UF®

  • Grip elastic fabric
  • Ultra flat and flexible
  • Very soft and comfortable also on the edges
  • Excellent durability (> 1000 openings)
  • Good hook fastener-lastingness (> 8 Cn / cm²)
  • Cuttable in any direction (laser, ultrasonic, etc.)
  • Welding ultrasonic HF
  • Machine washable at 60°C

Regular monitoring is carried out on technical performance, manufacturing processes, assembly steps, durability, and traceability to meet detailed and co-developed specifications.

Quality / Mechanical testing :
We perform mechanical tests such as colorfastness, dimensional stability, and tensile strength & elongation.
For additional testing, we work in partnership with IFTH (French Institute of Textiles and Clothing).

Customised and technical elasticated fabrics

Co-design

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Needs analysis

At Bertheas, we support you throughout your project and work with you to build a fully tailored solution from A to Z.

Specifications

Our R&D team is available to help you develop a detailed specification sheet that meets all the requirements of your product.

Eco-design

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Éco-concevoir

Incorporating recycled and bio-based materials while optimizing both the physical and emotional lifespan of the product.

Develop

The use of Bluesign-approved and natural dyes.

Plan ahead

By integrating end-of-life considerations early in the design process.

Enrich

Our research, marketwatch…, and development projects with our partners : IFTH, Techtera, customers, suppliers, etc.