Oqonos Cherg 007 Ergonomic Office Chair with Breathable Mesh Back, Class 4 Gas Piston, Lumbar Support, Fixed Armrests, Moulded

The Cherg 007 combines a clean, functional design with components that make a difference every day: a Class 4 gas piston with a nitrided inner core that doubles its hardness and guarantees long-term stability and durability, a breathable, formaldehyde-free mesh backrest with REACH certification, and an integrated lumbar support that follows the natural curve of the spine. The high-density eco-friendly foam seat keeps its shape without deforming, and the 60 mm silicone castors glide silently without damaging any type of floor. BIFMA and EN1335 certified. Maximum capacity of 150 kg.

Backrest and seat:

• Breathable mesh backrest (polyester + nylon), formaldehyde-free, flame-retardant, REACH certified, resistant to over 100,000 cycles. Adjustable recline from 104 ° to 126 ° with position lock.

• High-density eco-friendly foam seat (55 kg/m³, 60 mm thick), moulded at high temperature with an ergonomic shape that adapts to the natural posture of the user. Non-deforming and glue-free. Breathable, crease-resistant elastic seat fabric, resistant to 100,000 cycles.

Ergonomics and adjustments:

• Integrated lumbar support (fibreglass-reinforced structure + foam), designed to adapt to the natural curve of the spine.

• Fixed armrests, ergonomically positioned at 90 °.

• Class 4 gas piston with 99.7% nitrogen purity, 2.5 mm reinforced wall and a nitrided inner core that doubles its hardness to prevent long-term wobble. 100 mm stroke.

Structure and durability:

• Reinforced steel synchronised mechanism (>3.1 mm thick).

• Reinforced nylon base of 350 mm with certified static load of 1,136 kg (BIFMA standard).

• Dual silicone 60 mm castors, quiet and suitable for all types of flooring.

• Maximum capacity: 150 kg.

Dimensions:

• Seat height: 430-530 mm

Width: 505 mm

Depth: 460 mm

• Backrest height: 600 mm

Total height: 1085-1275 mm

• Total width: 620 mm

Total depth: 665 mm

• Armrest height from floor: 630-730 mm