Front view of an M18 Pro ergonomic chair in Australia on a white background, showcasing its ergonomic design and adjustable features.
Semi front-right side view of an M18 Pro ergonomic chair in Australia on a white background, highlighting its ergonomic design and comfort features.
Left side view of an M18 Pro ergonomic chair in Australia on a white background, showcasing its adjustable features and sleek design.
Semi back-right side view of an M18 Pro ergonomic chair in Australia on a white background, highlighting its ergonomic design and structure.
Back view of an M18 Pro ergonomic chair in Australia on a white background, showcasing its supportive frame and design.
Left semi side view of an M18 pro ergonomic chair in Australia on a white background, highlighting its ergonomic design and features.
right side view of an M18 pro ergonomic chair in Australia on a white background, showcasing its design and adjustable features.
Back view of an M18 pro ergonomic chair in Australia on a white background, highlighting its structure and support features.
Front view of an M18 pro ergonomic chair in Australia on a white background, highlighting its design and comfort features.
Back view of an M18 pro ergonomic chair in Australia displayed on a white background, showcasing its design and structure.
26% off

Sihoo M18 Pro Ergonomic Office Chair

$369.00 $499.00

118 reviews
Free shipping with delivery in 1-5 days.
Color
Footrest Option
Ready to feel the difference? Click Add to Cart now and give your back the support it’s been waiting for.
SIHOO M18 Pro Ergonomic Office Chair — 4D Linked Armrests, High-Back Breathable Mesh, Adaptive Dynamic Lumbar Support

Meet the M18 Pro — fondly dubbed the “Ergonomic Maestro” for its all-round support.

Building on the runaway success of the original M18, this Pro-level upgrade smashes BIFMA standards and integrates seven ergonomic innovations—adaptive self-weight sensing, 4D linked armrests, moth-shaped elastic lumbar support, dual-joint three-section headrest, W-shaped comfort cushion, multi-function reclining pedestal and heavy-duty PA nylon base—into a sleek, breathable mesh frame.

Perfect for:

  • Home offices & hybrid work setups
  • High-performance teams & boardrooms
  • Gamers chasing pro-level ergonomics
  • Anyone upgrading from the beloved M18 to the ultimate next step
View details

Why the M18 Pro?

As Australia’s leading premium office seating solution, the SIHOO M18 Pro combines cutting-edge ergonomics with rock-solid durability. Designed for long days at the desk—whether you’re leading remote teams or powering through your next big project—the M18 Pro keeps you supported, focused and fatigue-free.

M18 ergonomic chair in Australia showing adaptive mechanism with labels and features highlighted in a text overlay.
M18 ergonomic chair in Australia displaying text labels of 7 experiential upgrades and 3 classic continuations.
Ergonomic chair in Australia with text overlay highlighting 7 experiential upgrades.
M18 ergonomic chair in Australia highlighting non-linked reclining as a common non-ergonomic pain point.
M18 ergonomic chair in Australia featuring 4D linked armrests, ideal for work and leisure.
Collage of two photos showing reclining features of an ergonomic chair in Australia, including support for longer arms and napping.
M18 ergonomic chair in Australia equipped with an adaptive mechanism, featuring text overlay, labels, and highlighted features.
M18 ergonomic chair in Australia featuring a moth-shaped elastic lumbar support design with highlighted features.
M18 ergonomic chairs in Australia with features and labels displayed, three people seated on the chairs.
Ergonomic chair in Australia with dual-joint three-section headrest, displaying labels and features.
Ergonomic chair in Australia reclined to 134 degrees, showcasing a safer angle for comfort and support.
Ergonomic chair in Australia with text overlay highlighting 3 classic continuations.
*The Footrest is not available in Without Built-in Footrest.
M18 ergonomic chair in Australia featuring moth-shaped elastic lumbar support with labels highlighting its features.
*The Footrest is not available in Without Built-in Footrest.
M18 ergonomic chair in Australia featuring a 4-position liftable backrest with labels and highlighted features.
Ergonomic chair in Australia featuring a W-shaped seat cushion with text overlay highlighting its design.
Ergonomic chair in Australia with Yida mesh fabric featuring feedback from millions of users on label.
M18 ergonomic chair in Australia displayed with size specifications and detailed product parameter labels.