Invictus PI 4000 | Advanced Ergonomic Office Chair | Leather
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Designed to do what other office chairs can’t: support your spine, relieve pain, and deliver real, lasting comfort, with the added sophistication of a premium leather finish
What Makes the Invictus PI 4000 Leather Edition Different?
Proven Relief for Real Back Pain
Developed by ergonomic experts with decades of occupational health experience, the Invictus PI 4000 Leather Edition combines advanced back care engineering with the timeless comfort of leather. Its unique design actively relieves lower back strain, improves posture, and reduces muscular fatigue—so you can sit better, for longer
Adaptive Support That Moves With You
Your body moves all day, your chair should keep up
The Invictus PI 4000 Leather Edition features:
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Pneumatic lumbar support for precision lower back alignment
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4D armrests that adjust in every direction
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Fully adjustable headrest, backrest, and seat height
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Seat depth adjustment for tailored thigh support
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Premium leather upholstery, combining ergonomic performance with elegant style
Sit Longer. Feel Better
The seat is crafted with PU-moulded foam for gentle pressure relief and weight distribution, wrapped in rich leather that breathes, ages beautifully, and elevates your workspace. Stay productive without the nagging pain or the compromises
Built to Last
A solid aluminium base and premium materials throughout make the Invictus PI 4000 Leather Edition a long-term investment in both your health and your workspace. The leather finish resists wear and adds a timeless aesthetic to any home office or professional setting
Eliminate the Usual Chair Frustrations
If you’ve struggled with:
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Persistent back pain
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Poor posture and slouching
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Fatigue or discomfort after just a few hours
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Lack of adjustability
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Chairs that wear out far too quickly
Trusted by Professionals. Designed by Experts
Chosen by those who take spinal health seriously, this chair is endorsed by occupational therapists, posture specialists, and certified to meet European ergonomic standards (EN 1335-1 & EN 1335-2)
Experience the Invictus PI 4000 in Leather
Exclusively from KOS Ergonomics
👉 Make the switch to the Invictus PI 4000 Leather Edition today, available online or in-store
Don’t settle for discomfort. Don’t settle for ordinary.
Sit healthier. Sit in style
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Posture Tips & Improved Ergonomics
Sitting for long periods can often lead to discomfort or pain, especially in areas like your hips, lower back, and tailbone. Here are some simple, effective tips to help improve your posture and reduce common issues like hip pain when sitting, lower back pain when sitting, and tailbone pain when sitting.
1. Support Your Lower Back
If your lower back hurts when sitting, it's often due to a lack of proper support. Make sure your chair has good lumbar support to keep your spine aligned. You can also use a small cushion to provide extra support if needed.
2. Keep Your Hips at the Right Angle
When your hip hurts when sitting, it may be due to poor alignment. Your hips should be level with or slightly higher than your knees. Adjust your chair height so your feet are flat on the ground and your knees form a 90-degree angle. This can help reduce hip joint pain while sitting and prevent buttock pain when sitting and lying down.
3. Adjust Your Seat Position
For those dealing with coccyx pain when sitting or a sore tailbone from sitting, ensure your seat isn’t pressing too hard on your tailbone. Try a cushion with a cut-out section to relieve pressure on the tailbone and improve comfort.
4. Move Regularly
If you feel buttock ache when sitting or hip discomfort when sitting, it's a sign that your body needs a break. Stand up, stretch, or take a short walk every 30-60 minutes. Regular movement can ease tension and prevent hip ache when sitting or lower back pain while sitting.
5. Exercise for Strength and Flexibility
A good workout for back pain can strengthen your core and back muscles, reducing discomfort. Exercises like gentle stretches or yoga can help relieve bottom pain when sitting, butt pain while sitting, and improve overall posture.
By following these posture tips and incorporating ergonomic tips into your daily routine, you can reduce discomfort and improve your overall well-being while sitting. Make sure to listen to your body and adjust your workspace as needed to stay comfortable throughout the day.
Download Your FREE Posture Watch Poster!
Get Serious About Your Posture With This Helpful, Free Reminder!
Alternative Products
Invictus PI 4000 | Advanced Ergonomic Office Chair | Leather Headrest
Invictus PI 4000 | Heavy Duty 24/7 Chair | 24/7
Try Before You Buy
Not sure which setup is right for you? Visit our Dublin or Tipperary showrooms to test our full range of ergonomic office chairs, sit-stand desks, mice, keyboards, and accessories. You'll get free 1-1 ergonomic advice on the day from our experts to ensure you choose the equipment that works best for your body. Can't make it in person? Book a consultation via our online virtual studio.
Book Your Consultation Below
Dublin
Showroom
Tipperary
Showroom
Online
Virtual
Try Before You Buy
Not sure which setup is right for you? Visit our Dublin or Tipperary showrooms to test our full range of ergonomic office chairs, sit-stand desks, mice, keyboards, and accessories. You'll get free 1-1 ergonomic advice on the day from our experts to ensure you choose the equipment that works best for your body. Can't make it in person? Book a consultation via our online virtual studio.
Book Your Consultation Below
Dublin
Showroom
Tipperary
Showroom
Online
Virtual
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