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Model	×SIHOO M59AS Ergonomic Chair	×SIHOO Model M18 Ergonomic Chair	Add a model to the table+ Add a modelSIHOO T6 Sit on AI Intelligent Ergonomic Chair with iChair Wellness SystemSIHOO Model M57 Ergonomic ChairSIHOO Smart M59Pro – Contoured Support, Flip-Up Armrests, Comfortable All DaySIHOO Doro C100 Premium Ergonomic Chair – Comfortable All DaySIHOO Smart M59Pro-S Ergonomic Chair – Flip-Up Armrests, Large Size, Metal BaseSIHOO Vito-W Ergonomic Chair – Designed for Women and Smaller FramesSIHOO Vito Ergonomic Chair – Contoured Support to Ease Back PainSIHOO Doro C100-S Premium Ergonomic Chair – Lumbar Support That Relieves Back PressureSIHOO Doro C300-FT Premium Ergonomic Chair – Ergonomic Design, Comfortable All DaySIHOO Doro C500-FT Premium Ergonomic Chair – 9 Supreme Supports for Ultimate Body SupportSIHOO Doro S100 Premium Ergonomic Chair – Body Support to Ease Back PainSIHOO Doro S100-S Premium Ergonomic Chair – Body Support to Ease Back PainSIHOO Doro S500-FT Premium Ergonomic Chair – Air-Like Sitting, Floating Comfort Without Pressure
Price	฿4,990	฿4,990
0% installments	฿832/month × 6 months	฿832/month × 6 months
Option	Sold out	BlackGrey (Sold out)Black+FT (Sold out)Add to cart
Maximum load	136 kg	136 kg
Recommended user heightDiffers	145–180 cm	150–190 cm
Armrests	2D	—
ReclineDiffers	115–125°	109–128°
Lumbar supportDiffers	Auto-adaptive	Adjustable
HeadrestDiffers	3D	2D
FootrestDiffers	None	Available (FT version)
Seat depth adjustment	No	—
Backrest material	Mesh	Mesh
Seat materialDiffers	Mesh	Memory foam
Base	PA	—
Gas lift	Class 3	—
WarrantyDiffers	5 years	5–7 years
Chair weightDiffers	14.7 kg	17.2 kg
Size (W × D × H)	64.5 × 70.5 × 111.5–131 cm	—

Specifications are summarised from each model's product description. "—" means we have no data yet; our team can answer any question 24/7.