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High-back office chair tested: Which one suits you best?

14/09/2025 | SIHOOOffice

Forget hours of comparisons. An ergonomic office chair with a high back is essential. If you spend a lot of time at your desk every day, you need the right support.

It supports the entire spine. It also effectively relieves neck and shoulders, actively preventing tension.

For whom is a high backrest indispensable?

  • People who sit a lot and have long working days: Anyone who sits for more than 4 hours a day needs the additional support.
  • People over 1.80 m: Only an office chair for tall people with a high backrest can properly support the shoulder area.
  • Users with neck and back problems: An office chair with a headrest and supportive backrest is crucial here.

Sihoo Doro S100 in detail: The price-performance champion

The Doro S100 is the ideal choice. You get first-class ergonomics without the premium price. Its centerpiece is the double dynamic lumbar support with a 4-spring system . This actively adapts to your movements, providing continuous support for your lower back.

s100 ergonomic chair with adjustable backrest

Special features of the S100:

  • Dynamic lumbar support: Two spring-loaded "wings" intelligently support the lumbar region.
  • 5-position adjustable backrest: Adapts perfectly to your height. Suitable for heights of 150-190 cm.
  • Breathable mesh fabric: Ensures comfort even on long days. You sweat less.
  • High load capacity: Designed for up to 136 kg . Equipped with a 4-class gas lift.
  • Comfort tilt: Up to 135° tilt for relaxed breaks.
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Sihoo Doro S100 office chair

Sihoo Doro S100 Ergonomic Office Chair

The Doro S100 offers strong back support thanks to double lumbar support with 4-spring system, 135° tilt, 4D armrests and adjustable seat depth – the price-conscious choice for ergonomic working without an integrated footrest.

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€459.99 €259.99

Sihoo Doro S300 in detail: The innovation class

The Doro S300 is the flagship model. It makes a statement in design and technology. At its heart is the unique fiberglass anti-gravity mechanism . This creates a feeling of floating when you lean back. The support is so intelligent, you don't even need to lock the backrest.

Special features of the S300:

  • Anti-gravity mechanism: A unique, floating tilting experience. You won't find this in any other office chair.
  • 6D-coordinated armrests: Move synchronously with the backrest.
  • Premium materials: A blend of Italian velvet and DuPont TPEE mesh fabric . Feels high-quality.
  • Shock-absorbing seat: Four springs under the seat absorb shocks. Pressure is relieved (seat height: 47-55.5 cm).
  • Precise adjustment: Suitable for body heights of 150-190 cm .
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Sihoo Doro S300 office chair

Sihoo Doro S300 Ergonomic Office Chair

Ergonomic premium chair with innovative anti-gravity mechanism, 6D armrests, double dynamic lumbar support and soft headrest for floating seating comfort – awarded the German Design Award 2023, 5-year guarantee, load capacity up to 136 kg.

Learn more Add to cart
€909.99 €809.99

Direct comparison of S100 vs. S300: The most important differences

feature Sihoo Doro S100 Sihoo Doro S300
lumbar support Double dynamic, 4-spring system Doubly dynamic, coordinated
mechanism Standard synchronous mechanism (135° tilt) anti-gravity mechanism
armrests 4D adjustable 6D-coordinated
backrest 5-stage height adjustable 5-stage height adjustable
material Premium elastic mesh Italian velvet & DuPont TPEE
Resilience 136 kg 136 kg
Recommended height 150 - 190 cm 150 - 190 cm

Conclusion

  • Choose the Sihoo Doro S100 if... you're looking for the best value for money. You'll get excellent, dynamic support. Its high durability makes it ideal for demanding everyday work.
  • Choose the Sihoo Doro S300 if... you want the ultimate in innovation, comfort, and design. The floating sensation when leaning back is unique. The moving armrests are a luxury. This pays off during very long periods of sitting.

Both chairs are an excellent investment in your health. The Doro S100 offers unbeatable ergonomics for its price. It's a robust all-rounder. The Doro S300 redefines how comfortable and intelligent an ergonomic high-back office chair can be. Ultimately, your decision depends on this: Are you looking for the proven champion or the cutting edge of technology?

FAQs

How high should the backrest of an office chair be?

The backrest should reach at least to the shoulder blades. For people over 1.80 m tall, a high backrest with a headrest is particularly important. This ensures optimal support for the entire spine.

Is a headrest really necessary on office chairs?

A headrest is particularly useful during long working hours. It significantly relieves strain on the neck muscles. People with neck problems especially benefit from this.

Which office chair is better for back pain – high or low backrest?

For back pain, an office chair with a high backrest is usually the better choice. It supports the entire spine. A dynamic lumbar support can provide additional help. If in doubt, consult a doctor.

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