Description
KIFFO-01 Posto Ergonomic Office Chair
The Posto ergonomic office chair features an intelligent integrated single-bar control system that simultaneously adjusts seat height, depth, and tilt tension. Six-stage adjustable lumbar support offers selectable firmness, while 65mm backrest height adjustment combined with a forward tilt function perfectly supports typing and reading postures. The American Quantum 3.0 mechanism and Korean SHS Level 4 gas spring ensure smooth and stable operation, and the 4D armrest design enhances arm comfort, creating a personalized dynamic seating experience.
✔ Intelligent integrated single-pole control system
✔ 6-position adjustable lumbar support
✔ 65mm backrest height adjustment
✔ Seat tilt forward and multi-stage tilt
✔ 4D Adjustable Armrest Design
✔ US Quantum Institute + Korean air pressure bar
▸ Product dimensions: 470-715mm (width) × 675mm (depth) × 1135-1300mm (height)
▸ Seat height: 453-543mm
▸ Rotating chassis: 675mm diameter
▸ Seat weight capacity: 125kg
▸ Institution: Quantum 3.0 (USA)
▸ Gas spring: Korean SHS Level 4
▸ Wheels: PU material
Intelligent integrated single-pole control super chassis
The Ergohuman Ultra features advanced intelligent integrated single-lever control technology, concentrating most of the chair's controls on a single lever, allowing for easy and convenient adjustment to your most comfortable sitting posture.
Super floating backward tilting technology, combined with force relief
Legs don't curl up, position remains unchanged; legs don't push against the ground, waist and headrest support are smooth and gentle. Lean back as far as possible, effortlessly helping you stand up. 
Back-tracking function
The backrest can now be adjusted forward to support your back while typing or reading. This will be suitable for those who prefer to work in a forward-leaning posture at their desks. 
Elastic lumbar support
The lumbar support features adjustable tension control, ranging from soft to strong to suit your preference. The lumbar support remains flexible, providing lateral support that adapts to your movements as you adjust your seat position.
The backrest cushion has 6 adjustable height settings.
The backrest height is now more adjustable, with a 65mm adjustment range and six locking positions. This provides a wider range of locking positions to optimize use for users of different heights. 
Matrex Mesh, a nylon mesh manufactured using a US patent, is durable and does not deform.
Matrex Mesh is one of the most robust and durable mesh fabrics on the market, woven from strong, elastic polyester fibers to form an intricate and complex mesh structure. The American-made Matrex nylon fiber mesh offers a premium feel, elasticity, and absorbency. Each mesh opening has a very large area, improving heat dissipation efficiency. The mesh structure, utilizing advanced American technology, significantly increases breathability and supportive elasticity.
Quantum 3.0+ Technical Mesh Specifications
Composition: 100% polyester fiber; Abrasion resistance: Over 50,000 abrasion tests; Flame retardancy: Meets CA117-Section E (CS-191-53) standards; Light fastness: Grade 5 (over 40 hours of light exposure).
Certification: Complies with BS 5852: e4 - 12.4 Partial standard for friction fastness: 4.5 in wet condition and 5 in dry condition.
Adjustable tension seat cushion - reduces pressure buildup - unique feature
Customized for your comfort:
- Everyone's sitting posture and body shape are different. The adjustable seat tension allows you to fine-tune the seat firmness according to your weight, posture and preferences—no more worrying about sinking in or it being too hard.
Stress reduction design:
- It effectively distributes body pressure, reduces pressure on the thighs and buttocks, and can also improve blood circulation and relieve fatigue during long periods of sitting.
Dynamic support:
- Whether you're leaning forward or relaxing back, the seat cushion can flexibly adjust to changes in posture, maintaining the natural alignment of the spine and supporting the muscles.
Durable and versatile:
- Everyone's body shape is different, and the ability to fine-tune the seat cushion tension allows this chair to truly meet the ideal design of "one chair for everyone." It also extends the life of the seat cushion.
Product Specifications:
Product dimensions: 47-71.5cm (W) x 67.5cm (D) x 113.5-130cm (H)
Seat cushion height: 45.3-54.3cm
Rotating chassis: 67.5cm diameter; Seat weight capacity: 125 kg 