Mobility Office Chair K5100
1
KOS Mobility Work Chairs - Designed for Comfort
Supportive Seating for People with Reduced Mobility
Discover the KOS 5100 Mobility Work Chair, where thoughtful design meets everyday practicality. Whether you're at home, in the office, or a healthcare setting, this chair is built to provide reliable support, smooth movement, and lasting comfort for individuals who experience difficulty walking, joint pain, muscle fatigue, or limited mobility.
Why Choose the KOS 5100 Mobility Work Chair?
This premium mobility chair offers the comfort of a high-end office chair, thoughtfully engineered for those who need extra support to move freely and sit comfortably for extended periods.
Effortless movement with smooth-rolling, lockable castors
-
Adjustable armrests and footrest for personalized support
-
Synchro-mechanism encourages healthy posture and circulation
-
Height adjustable from 45 to 54 cm to suit your needs
-
Available in three long-lasting upholstery options and 27 tasteful colours
-
Small and Large sizes also available to ensure the perfect fit
Freedom to Move While Seated
The 5100 chair is crafted for easy mobility, allowing you to move with confidence and minimal effort. Its open-frame design provides ample foot space, so you can safely maneuver while seated. Lockable wheels provide extra security when stability is essential, while the synchro-mechanism helps your body stay engaged and supported throughout the day.
Comfort Where It Matters Most
This chair is fully adjustable to match your body’s needs—because no two people sit the same way. From the seat depth and footrest to the armrest positioning, you can tailor your chair to reduce pressure, ease strain, and support your posture—all without compromising comfort.
Adjustable seat and backrest for personalized comfort
-
Foldable footrest to keep your space clear when not in use
-
Armrests adjust in height, width, depth, and angle
-
Seat slider increases seat depth by up to 6 cm
Style Meets Durability
Choose from three premium upholsteries—Flex, Stamskin, and Trevira, each selected for its durability, ease of maintenance, and comfort. With 27 attractive colour options, you can choose a finish that suits your space or complements your personal style.
A Chair That Adapts to You
Whether you're managing daily tasks, working, or simply enjoying time at home, the KOS 5100 Medium provides the support and mobility you need to stay independent and comfortable.
Key Features
- Ergonomically designed for individuals with reduced mobility
- Smooth-rolling, lockable castors for secure movement
- Adjustable armrests, footrest, and seat height
- Synchro-mechanism for active sitting and posture support
- Available in a range of colours and high-quality upholsteries
- Compact design with full-body support
Optional Extra Features
- Seat slider +€85.00
-
Inflatable lumbar support +€90.00
Need a Different Size?
Explore our Small and Large variants to find your ideal fit. Our expert consultants are available to guide you in choosing the right model for your specific needs.
Made To Order
Please note that these products are made to order for each individual customer meaning their estimated lead time is 6 - 8 weeks.
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!
Specifications:
Small Size:
Seat Height adjustment 45 - 59 cm
Work surface height 70 - 85 cm
Dimension of seat W 47 x D 47 cm
Dimension backrest W 46 x H 54 cm
Standard (Medium) Size:
Seat Height adjustment 45 - 54 cm
Work surface height 70 - 85 cm
Dimension of seat W 50 x D 50 cm
Dimension backrest W 46 x H 54 cm
Large Size:
Seat Height adjustment 54 - 55.5 cm
Work surface height 70 - 85 cm
Dimension of seat W 50 x D 50 cm
Dimension backrest W 49 x H 63 cm
Find Your Perfect Solution To Pain-Free Work.
Expert Advice
Our experts are highly trained and experienced in providing tailored solutions for back pain sufferers.
Get in touch with one of our Experts and they will be happy to offer simple guidance on what you should be looking for in an Ergonomic Product!
Visit A Showroom
Try out all of our Back Care Ergonomic Chairs in one of our 2 Showrooms. You have the option of Tipperary or Dublin.
Please note, our showrooms are by appointment only.
This is down to the fact that we always offer our full, undivided attention to every customer. You will meet an Ergo Expert in person, who will recreate your work set up and offer advice on the best office chair for your situation.
Purchase Online
If you know what Ergonomic Product you want, you can easily purchase online, or request an official quote!
To request a quote, simply add the product to your basket and "Request A Quote".
You can also request a quote from our dedicated Customer Support team!
To install this Web App in your iPhone/iPad press 
and then Add to Home Screen.
