Sihoo Doro C300 Ergonomic Office Chair Black with Headrest, Lumbar Support, 3D Armrests for Big and Tall Users
Sihoo Doro C300 Ergonomic Office Chair with Headrest, Lumbar Support, Adjustable Backrest, 3D Armrests, Breathable Mesh, Height & Tilt Adjustment - Black
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Sihoo Doro C300 Ergonomic Office Chair with Headrest, Lumbar Support, Adjustable Backrest, 3D Armrests, Breathable Mesh, Height & Tilt Adjustment - Black

945 ratings
Sihoo Doro C300 Ergonomic Office Chair with Headrest, Lumbar Support, Adjustable Backrest, 3D Armrests, Breathable Mesh, Height & Tilt Adjustment - BlackSIHOO Ergonomic Office Chair Mid Back Home Desk Chair with Lumbar Support Small Mesh Computer Chair GraySIHOO Ergonomic Office Chair Mid Back Home Desk Chair with Lumbar Support Samll Mesh Computer Chair Black
Actual ColorBlack

Key item features

  • Adaptive Support: Features innovative technology with an adjustable wide-angle headrest, adaptive lumbar support, and a flexible backrest for continuous comfort.
  • Dynamic Lumbar: Employs a dynamic tracking system that automatically adjusts the backrest to conform to your back, with four vertical height adjustments up to 2.36 inches.
  • Versatile Armrests: Equipped with 3D linkage armrests that adjust in three directions (up/down, back/forth, 75-degree pivot) and coordinate with the seatback during recline.
  • Reclining Flexibility: Offers a height-adjustable backrest with four levels and tilt angles of 110, 120, and 130 degrees, complemented by an intelligent weight-sensing device.
  • Certified Standards: Holds 12 patents and complies with European Union's REACH and EN1335 standards, German TUV certification, and US SGS BIFMA standards with a 4-stage pneumatic lift.
  • Accommodating Design: Expertly designed with a wide seat to support users up to 300 lbs, making it suitable for big and tall individuals.
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Customer ratings & reviews

4.4 out of 5 stars
stars
945 ratings706 reviews
How item rating is calculated
  1. 5 stars72% (682)
  2. 4 stars13% (126)
  3. 3 stars6% (57)
  4. 2 stars3% (31)
  5. 1 star5% (49)

Reviews summary

Pros

  • : Setup takes minutes with clear instructions.
  • : Features a contemporary look with clean lines.
  • : Offers great value considering features and quality.
  • : Provides comfort during extended sitting periods.
  • : Offers lumbar adjustment for customizable comfort.

Neutral

  • : Can be tailored to fit, but with limitations in fine-tuning.
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Showing 1-3 of 706 reviews

Jul 20, 2026
Reviewer name: Oldtreeguy
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

nice chair.

THis,so far, is an excellent chair.

International review
Review from walmart.ca
Helpful?272AWVUAHKN4414026301
May 12, 2026
Reviewer name: Jeffrey R.
5 out of 5 stars
5 out of 5 stars review

I spend around ten hours a day in front of the computer between work and gaming. With my previous chair, I would constantly get up because my back and shoulders felt uncomfortable. Since switching to the C300, I can stay focused much longer. I particularly like how the backrest follows my movements instead of feeling rigid. This chair made a bigger difference than I expected.

Review from sihoooffice.com
Helpful?272AWVUAHKN4414026301
May 21, 2026
Reviewer name: Sage
5 out of 5 stars
5 out of 5 stars review

Time will tell how this chair lasts over the next year or two, but so far i'm very impressed with the lumbar support and flexibility of this chair. I specifically bought this chair because I am 5 ft 4 and it's hard to find economic chairs that have seats made for short femurs. I'm very impressed with the quality of the chair, considering the price. Thanks Sihoo!

Review from sihoooffice.com
Helpful?272AWVUAHKN4414026301
Current price is Now $299.48
You save $50.51
was $349.99
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