The Inc High Back Office Chair from Sit Back & Relax is an Australian-made ergonomic seating solution designed to provide exceptional comfort and support in commercial workplaces, healthcare environments, and home offices. Developed with physiotherapist-informed ergonomics, the chair is engineered to improve posture, promote circulation, and reduce pressure on the spine during extended sitting periods. It features a high backrest with anti-slip ratchet height adjustment, allowing users to customise lumbar positioning for personalised support.
The advanced 3-lever independent mechanism provides separate seat height, seat tilt, and back angle adjustments for precise ergonomic control. Available in small, medium, and large seat sizes with multiple upholstery options, the chair adapts to a wide range of users and workplace requirements. AFRDI Level 6 certified and weight rated to 160kg, the Inc High Back Office Chair delivers commercial-grade durability, ergonomic flexibility, and long-term performance for demanding professional environments.
Key Features
- Australian-made ergonomic office chair
- Designed with physiotherapist-informed ergonomics
- 3-lever independent mechanism with seat and back adjustment
- Anti-slip ratchet back height adjustment
- Available in small, medium, and large seat sizes
- AFRDI Level 6 certified for severe commercial use
- Weight capacity up to 160kg
- Optional seat slide, gas heights, castors, and armrests
- Please click here for the full Ashcroft Fabric Range
FAQs
1. What makes the Inc High Back Chair ergonomic?
The chair features a fully adjustable 3-lever mechanism, adjustable back height, and physiotherapist-informed design to support posture and reduce spinal pressure.
2. Is the chair suitable for commercial office environments?
Yes, it is AFRDI Level 6 certified and designed for demanding commercial use, including offices, healthcare, and corporate environments.
3. Can the chair be customised?
Yes, the Inc range is available in multiple seat sizes, upholstery colours, arm configurations, and optional ergonomic upgrades.



