Wind tunnel test

The high demands made on flexibility and resilience translate into a long service life, again thanks to flexible carbon steel components.

The innovative carbon steel technology of this umbrella series makes these models particularly robust companions. Practical, stylish and extremely functional!


The following product features are what make this series so valuable:

  • extremely fast-drying
  • extremely handy
  • extremely flexible
  • extremely resilient
  • extremely storm-proof
  • extremely lightweight
  • extremely well-tested
  • extremely ...


Our carbonsteel umbrellas were successfully tested in the BMW wind tunnel with speeds of over 100 km/h. See for yourself ....

Search now for your "Carbonsteel umbrella" in our wide assortment of stick and folding umbrellas!

This year’s umbrella models were no exception to our annual wind tunnel tests.

In the acoustic BMW group wind tunnel, where the prototypes of Mini & BMW are tested, our dopper umbrellas proved their strengths:

  • High quality polyester covers with a special coating
  • Particularly ergonomic handles
  • Carbonsteel components with high flexibility

... and all tested in the wind tunnel at over 100 km / h.



In collaboration with the Technical University of Munich, numerous umbrellas were assembled this year and tested in the wind tunnel for their storm resistance and durability.

doppler subjects its products to regular quality controls.

Our most durable products can be found in the scroll bar below.