1. XL build for big & tall users
Designed to comfortably support users 181–210 cm tall and up to 180 kg, the Kaiser 4 XL provides ample room and reinforced steel support

2. 4‑level pop‑out lumbar support
Fully adjustable in angle, height, and depth to maintain optimal spinal alignment—a major ergonomic upgrade over prior models .

3. Magnetic memory‑foam headrest
Easily repositions within 20 cm vertically, offering personalized neck support that stays firmly in place

4. 5D adjustable armrests with flip-up
Give flexibility in five directions (plus flip-up), ensuring comfortable positioning whether you’re gaming or working

5. Breathable and durable linen fabric
Linen upholstery is soft, stain-resistant, eco-friendly, and less prone to color fading—ideal for long-term use

6. Ergonomic seating posture
The seat base’s gentle 5° upward slope promotes healthy posture, reducing lower-body pressure during long sessions

7. Recline & rocking functionality
Reclines up to 135° and includes 15° of rocking for total relaxation, supported by a sturdy tilt-lock mechanism

8. Quality gas-lift and mobility
SGS-certified gas lift and aluminum base with PU-coated casters ensure smooth height adjustment and stable, quiet rolling