The Sigma chair was developed by our partner Forum Seating to provide one of the most durable sporting chairs on the market.
The chair has exceptional strength for its class, being certified to the highest level (grade 4) of the strength standard EN 12727 (2000).
With an ergonomically sculpted seat and back.
A straightforward, long lasting gravity tip mechanism
Tested for UV resistance as per ISO 4892-2
Certified to EN 1021-1 and EN 1021-2 as standard. “Crib 5” compliant mouldings available on request
The hinges and bearing are in corrosion-proof engineered plastics
VIP features such as optional upholstered pads and / or armrests can be added.
Seat width (centre to centre)
Depth when open
Depth when closed