Spine MB - Polestar Furniture

Spine Medium Back Mesh Chair

Designed for stability, comfort, and everyday efficiency, the Spine Medium Back Mesh Chair encourages natural posture during extended work hours. Its breathable mesh back, responsive support system, and smooth recline mechanism deliver a balanced combination of flexibility and control. Whether you’re deeply focused or taking a moment to lean back, Spine provides reliable support throughout the day.

Specifications & Dimensions

Mechanism: BIFMA certified single-lock synchro-tilt mechanism with tension adjustment
Seat Height Adjustment: 85 mm range, Class-3 hydraulic gas lift (BIFMA certified)
Base: BIFMA certified 5-prong nylon base
Castors: BIFMA certified twin nylon wheel castors
Colors: Available in Black and Grey

Product Net Weight: — (kgs)
Overall Dimensions: W660 x D660 x H1120 – 1290 (mm)

Seat Width: 490 (mm)
Seat Depth: 490 (mm)
Seat Height from Floor: 480 – 580 (mm)

Back Width: 430 (mm) Back Height: 600 (mm)

Width Between Arms: 460 (mm)
Arm Height from Floor: 680 – 750 (mm)
Armrest Length: 250 (mm)
Armrest Width: 85 (mm)

Dynamic Lumbar Support

The height-adjustable lumbar system adapts to your lower back, relieving pressure and maintaining a healthy spine alignment.

Ergonomic Arm Support

Height- and depth-adjustable armrests with soft PU padding ease shoulder and wrist strain, helping you stay relaxed and properly supported.

Customizable Seat Height

Easily set the seat height to suit your desk setup and posture, ensuring balanced leg support and lasting comfort.

Breathable Mesh Back

The mesh backrest provides structured support with optimal airflow, keeping you cool and comfortable during long work hours.

Synchro-Tilt Mechanism with Single Position Locking

Smooth, natural recline motion with balanced resistance lets you shift comfortably, with the option to lock in an upright position when needed.

Durable Nylon Base with Castors

A sturdy 5-prong nylon base paired with smooth-rolling castors ensures mobility, stability, and reliable performance day after day.

Materials

Laminate

Smooth, sturdy, and long-lasting.

Leatherette

Genuine, soft, and durable.

Mesh

Flexible, airy, and supportive.

Fabric

Breathable, soft, and comfortable.

Glass Sandwich

Glossy, refined, and easy to maintain.

Powder Coating

Strong, uniform, and corrosion-resistant.

View All Materials

Support That Moves the Way You Do

Spine is designed to follow your body’s natural rhythm—offering the right support exactly when you need it. With its adaptive backrest, breathable mesh, and effortless recline, it keeps you steady, comfortable, and ready for whatever the day brings.