Manufacturer page.

Arena is an elegant and smart auditorium chair design by Torsteinsen Design. A standardizes auditorium chair that can be used in any project without spesial customization. Arena is available in three different backrest heights: high, medium and low. Curved seat and backrest with lumbar support, in molded foam. The seat is tilted to an upright position when not in use. The seat stops in the back. Arena is fully pre-assembled, ready to be placed in the auditorium. Interchangeable textilecover. A gap of 20mm between chair attachment and floor for easier cleaning. Single tables or long continuous tables and armrest is available as accessories and can be retrofitted.