Free Shipping | 30 Day Free Returns

Ergonomic Chair

Discover Sihoo's collection of ergonomic office chairs designed for all-day comfort. With advanced lumbar support, breathable mesh backs, and fully adjustable features, our ergonomic chairs help you maintain perfect posture during long work sessions. Trusted by thousands of UK professionals.

  • A weightless recline experience

    The Doro S300's weightless recline technology lets you transition seamlessly between work and rest positions. No tilt locks needed—just lean back to relax, lean forward to engage.

  • Dual Dynamic Lumbar System

    Twin wing-shaped pads independently adapt to your spine's curvature. Fine-tune the support angle from 90° to 105° using the integrated gas-lift dial for precision lower back alignment.

  • Coordinated support for the full body

    Our 6D armrests and seat cushion move in sync with the backrest, distributing pressure evenly across contact points. This eliminates thigh compression and maintains healthy circulation during extended sitting.

  • Self-Adaptive Lumbar Technology

    Our dynamic lumbar system automatically adjusts to your movements, maintaining constant lower back support without manual intervention. The mechanism responds instantly to posture changes throughout your workday.

  • Flexible Triangular Frame

    The streamlined backrest features a proprietary triangular frame structure that flexes laterally with your upper body movements. This ensures continuous spinal alignment and pressure distribution across all sitting positions.

  • Precision Headrest Adjustment

    Multi-axis headrest positioning—vertical, horizontal, and rotational—enables precise cervical support customisation. The expanded contact surface accommodates various head positions for optimal neck relief.

Choose Your Perfect Match

FAQs

What makes an office chair truly ergonomic?

Right, so here's the thing—a proper ergonomic chair isn't just about having lots of adjustments. It's about how those adjustments work with your body. Think of it this way: when you shift position during the day (and we all do), the chair should move with you. That's why our Sihoo chairs have dynamic support— they're not trying to lock you into one "perfect" position, because honestly, there isn't one. The best position is the next position, as ergonomists say.

What’s the best ergonomic chair in the UK for all-day use?

It depends how you sit. If you’re at a desk 6–8 hours a day and need something that moves with you, you’ll want more than just a padded seat. A fully adjustable mesh chair with proper lumbar support and headrest is where most people end up. Models like the Sihoo Doro C300 strike a nice balance — premium features, no gimmicks.

Do I really need a headrest on my office chair?

Not everyone does — but if you lean back often or work long hours, a premium ergonomic chair with headrest can take the strain off your neck and upper back. The Sihoo C300 and C300 Pro both come with height-adjustable headrests, designed to support your posture when you recline. If you tend to sit upright and stay focused, something like the S100 or S300 — which have open-back designs without headrests — might actually feel less restrictive.

Are mesh chairs actually comfortable for full-day use?

A good one is. Cheap mesh chairs can feel like sitting on a tennis racket. But if you’re looking at premium ergonomic office chairs, the mesh is usually tensioned, flexible, and supportive — not saggy or stiff. Plus, they keep you cooler than padded fabric, which matters in warmer rooms or long video calls.

What features should I look for in a high-end office chair?

Look for a chair that lets you adjust everything without needing a manual. Height, tilt tension, armrests, lumbar — and ideally, a dynamic back that moves with you. It should feel like the chair adapts to you, not the other way around.

Is it worth upgrading from a standard chair if I only work from home?

If you’re sitting in it 5+ hours a day, yes. Most standard chairs flatten out quickly and don’t offer much support. A high-end ergonomic office chair helps avoid sore backs, stiff necks and the constant shifting-around. Plus, many of them look good in a home setup — not just corporate spaces.

Which one should I get for my home office?

Depends on your setup, really. If you're in a spare bedroom or shared space, the Doro C300 is brilliant—it doesn't look like you've nicked it from a corporate office, and it's not massive. The self-adjusting lumbar means you don't need to fiddle with it when your partner uses it. Now, if you've got a dedicated office and you're on video calls all day, splash out on the C300 Pro. That headrest is a game-changer for long Zoom sessions. Both look proper smart in a home setting, not like those gaming chairs that scream "teenager's bedroom."

What if I'm really tall/short—will these work for me?

We've designed these with real body diversity in mind. If you're under 5'3", the seat height goes low enough that your feet will definitely reach the floor, and the lumbar support adjusts down to accommodate shorter torsos. Over 6'2"? The C300 Pro's extended headrest was basically made for you, and the seat depth extends enough for longer legs. We've had customers from 4'11" to 6'6" find their perfect setup. The key is taking time to adjust everything—don't just assume one size fits all.