Humanscale Range :

The Different World Mid Back Chair from Humanscale is constructed of a Form Sensing Mesh Back and Self-adjusting Lumbar Support and Mesh, Fabric or Textile seat. The Chair features a Mechanism-Free Design, a Pivoting Back Rest motion which adjust to the needs of your spine and 97% recyclable content. Frames are available in Black, Grey or White.
The Different World Visitors Chair features an integral Sleigh Frame with Mesh Back and Mesh, Fabric or Textile seat.
This Chair comes with a 15 Year 24/7 Warranty and is suitable for users up to 135kg.