X-Stack, the classroom chair, is soft and tough; the perfect combination for higher education and training.  

NeoCon Gold Winner 

Where comfort, durability, and user accommodation converge. It starts with a stacker that provides upholstered comfort without the maintenance of upholstery. Add an optional cup holder for drinks, and you have the ideal seating solution for engaging in training/classrooms, reception, and in-between spaces. 


  • Shell colors: TPU in Surf, Shadow, Cloud, Sea
  • Outer shell: Glass filled nylong textured frame in black Metal chair frame: Platinum Gloss or Anthracite Gloss
  • Glides, casters, arm cap, cup holder: Glass filled nylon in black
  • Optional cup holder: 2
  • 100% Recyclable / 21% Recycled Content



  • SCS Indoor Advantage™ Gold certified for indoor air quality. The program tests and certifies products for compliance with USGBC LEED EQ4.5 (furniture and seating). 
  • level™ 1 certified. According to BIFMA, the level™ conformance mark ensures a comprehensive, independent and impartial assessment of the environmental and social impacts of a product's manufacture. level makes it easy to identify products that have been evaluated against a consensus-based, multi-attribute sustainability standard.