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Sihoo S100 Dynamic Ergonomic Office Chair with Lumbar Support

4.8
Rated 4.8 out of 5 stars
136 Reviews
Sale price $269.99 Regular price $359.99

Color: Black

S100 is restocked!

Benefits

  • Supports up to 300 lbs
  • Endorsed by Gamerant, GeekDad, Gamezebo, Designboom and more than 800 media approvals
  • 4D adjustable armrests and multi-adjustable headrest for personalized comfort
  • Dual dynamic lumbar support for consistent lower back support
  • Breathable mesh and waterfall-shaped seat for ergonomic comfort
  • Reclines up to 135° for effortless relaxation
  • Certified by BIFMA and SGS for quality and durability

Promises

  • 30-Day Free Returns.: Try the chair for 30 days. If it’s not for you, feel free to return it.
  • 3-Year Warranty: Enjoy lasting comfort and peace of mind with our 3-year warranty.
  • Fast Shipping: Receive your chair in just 5-7 days, in US and CA.
  • Satisfaction Guarantee: For any issues, contact support_us@sihoo.com for prompt assistance and guaranteed satisfaction.

Payment methods

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Your payment information is processed securely and the price includes regional tax.

How to choose a right ergonomic office chair?

Check out our buying guide for you!

The most noticeable aspect of the S100 is its split lower lumbar support, which flexes along with body movements.

Adam Corsetti

Adam Corsetti

from gamerant, doro S100 review

Doro S100 is like a work of a minimalist art, with thin, lightweight mesh upholstery, clean lines, visible springs, and a general sense of austere elegance.

Maria Alexander

from GAMEZEBO, S100 is the best gaming chair

Perfect for long hours at work, Doro S100 advanced design offers extensive lower back support, regardless of size and weight.

Adam Corsetti

Adam Corsetti

from gamerant, doro S100 review

1 of 3

"Relax and let inspiration flow—sit well and think better."

Doro S100 Ergonomic Office Chair
  • doro s100 Dual dynamic lumbar support

    Dual dynamic lumbar support

  • sihoo doro s100 Independent backrest

    Independent backrest

  • doro s100 4D coordinated armrests

    4D coordinated armrests

  • doro s100 Premium elastic mesh

    Premium elastic mesh

  • doro s100 Seat depth adjustment

    Seat depth adjustment

Dual dynamic lumbar support adjusts with your movements, offering personalized lower back comfort and wider support that suits any body type.

How S100 Chair Helps?

  • Adequate support area, regardless of your height

    Accommodating seat

    Doro S100 provides a 5cm (1.97 in) seat
    depth adjustment range, ensuring
    comfortable support for your thighs and
    hips, regardless of your size.

  • doro s100 Wide spacious headrest

    Wide spacious headrest

    The headrest perfectly contours to the curve of your neck while providing a generously sized surface. You can comfortably rest your head on the side and relax during your work.

  • doro s100 Keep your arms supported in 4 directions

    4D arm support

    Whether you're working, reclining, or relaxing, Doro S100 takes the pressure off your shoulders with 4-way adjustable armrests. Move them up and down (2.76 in), forward and back (1.18 in), side to side, and rotate 72°, all while staying in sync with the backrest.

  • sihoo doro s100 Pressure-free seating

    No pressure seating

    The waterfall-shaped seat cushion effectively maximizes the contact area with your thighs and hips, even as you move, ultimately minimizing pressure and ensuring unrestricted blood flow.

  • sihoo doro s100 Accommodating backrest

    Support for all heights.

    Whether you're 5 feet (150 cm) or 6 feet 3 inches (190 cm) tall, the backrest's upper section can be customized in five levels for personalized shoulder and neck comfort, while the lumbar support remains in the optimal position to cradle your lower back effectively.

Specifications

  • Overview

    Doro S100 moves with you, offering gentle, personalized lower back support and comfort in any position, with easy adjustments to fit your needs.

    Name: Doro-S100 Ergonomic Chair

    General Dimensions: 27"W x 30"D x 45"-50"H

    Product Weight: 49.13 lbs

    Assembly: Requires assembly

    Materials: Mesh back and seat, soft PU coated armrests

    Maximum load: 300 lbs

    Warranty: (3) years warranty

  • sihoo doro s100 Specifications

    Chair back lifting height: 18.11" - 21.25"

    Seat depth: 15.15" - 17.12"

    Max hip width: 20.07"

    Maximum load: 300 lbs

    Armrests: 4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage)

Sihoo Doro S100 Ergonomic Office Chair with Dual Dynamic Lumbar Support

@sihoo_usa

For every part of you

4.8
Rated 4.8 out of 5 stars
Based on 136 reviews
Total 5 star reviews: 107 Total 4 star reviews: 28 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0
99%would recommend this product
Slide 1 selected
136 reviews
  • MD
    Mrs. D.
    I recommend this product
    Rated 5 out of 5 stars
    September 30, 2025
    Comfortable!

    Super comfortable and supportive! The dynamic lumbar and 4D armrests make long hours at the desk much easier. Easy to adjust and looks sleek in my home office.

  • RF
    Reviews f. y.
    I recommend this product
    Rated 5 out of 5 stars
    September 28, 2025
    Awesome for long sits

    Such an awesome chair for gaming! I can spend hours in this chair and still feel comfortable. It’s one of the better economic designed chairs I have ever had. The mesh is awesome because it keeps me from overheating.

  • C
    Curly
    I recommend this product
    Rated 5 out of 5 stars
    September 25, 2025
    Amazing Lumbar and Neck Support

    This chair is SO worth it.The armrests adjust in height. The seat cushion itself is very wide and comfortable. The lumbar and neck support is what really shines with this product. The lumbar support comes out a couple of inches but it’s very flexible and gently cradles the lower back. It’s a little strange when you first sit in it, but you quickly get used to having the support. Your back will thank you! Same with the neck support, it comes out a few inches but gently supports your neck, conforming to its shape.The chair can lean back, lock into position, the armrests and neck support can be adjusted up or down.The chair comes very dismantled, so there was quite a bit of assembly. My husband puts together a lot of things and he had it done in about 20-30 minutes. Not horrible but unexpected for a chair.

  • ML
    megan l. h.
    I recommend this product
    Rated 5 out of 5 stars
    September 25, 2025
    Good chair

    Has good adjustment capability. Good height. Good value for money. Good comfort. Easy to assemble. Has good build quality.

  • B
    Bluesundercover
    I recommend this product
    Rated 5 out of 5 stars
    September 19, 2025
    Perfect chair

    I tried another chair in about the same price range and hated it because of the bad lumbar support and the overall discomfort. This one is VERY comfortable. Mesh seat and back are perfect, lumbar support and headrest are adjustable. This chair is perfect.