Tune Ergo Mesh Back Chair

Most ergonomic chairs treat adjustability as an afterthought. The Tune Ergo was built around it. Its YM synchronised mechanism combines with a height-adjustable backrest, seat depth adjustment, and an extended lumbar system to create a chair that genuinely adapts to the user, not the other way around. Three-way adjustable armrests complete a package that covers every ergonomic requirement without visual clutter.The numbers: 105mm of backrest height adjustment, 40mm of seat depth travel, and 20mm of lumbar range. Seat height runs from 445 to 545mm, seat depth from 465 to 605mm, and seat width is 460mm. The backrest adjusts from 500 to 605mm high. All on a 700mm diameter five-star base.Greenguard Certified for indoor air quality and tested to ANSI/BIFMA standards at 140kg. Available in Black Fabric, with or without three-way adjustable armrests. Backed by a 10-year guarantee.Comes with 10-year warranty Product Features YM synchronised mechanism for natural recline and weight sensing 105mm backrest height adjustment range 40mm seat depth adjustment range 20mm lumbar support adjustment Three-way adjustable armrests (included or available without) Moulded seat foam Adjustable seat height Available in Black Fabric only Product Specs Seat Height: 445–545mm Seat Depth: 465–605mm (40mm adjustment range) Seat Width: 460mm Back Height: 500–605mm (105mm adjustment range) Back Width: 460mm (widest) Lumbar Adjustment: 20mm Footprint: 700mm diameter Load Capacity: 140kg Certification Greenguard Certified (indoor air quality) ANSI/BIFMA tested to 140kg