Karl Grey-Blue


Endless structural details. Create a whole new look with the Karl Grey-Blue men’s model. The dynamic design of this lace-up shoe features iconic details, like a denim-look heel clip and a streamlined leather pattern in shades of grey. The upper, a mix of leather and mesh, has a fresh look about it and is suitable for every situation in your daily life. The Karl Grey-Blue is dedicated to kybun founder Karl Müller III and a fitting tribute to his life’s work.


Upper: Nubuck leather
Lining: Textiles
Insole: Textile
Sole: PU, Strato

Foot sensor technology
The kybun shoe‘s flexible, cushioned trampoline sole allows your feet to feel every detail of the ground, which stimulates the health-promoting receptors in your feet.

Air-cushion sole
The novel kybun sole consists of specially developed multi-component polyurethane (PU), into which many tiny air bubbles have been sealed. This elastic springy air pad enables optimal cushioning.

  • Heel cushioning
  • Elastic & springy
  • Perfect pressure distribution