Herman Miller Mirra 2 Butterfly Back Office Chair – Alpine Frame / Graphite Back & Seat | Fast Delivery

The Herman Miller Mirra 2 Butterfly Back chair pairs high-performance ergonomics with a clean, contemporary Alpine and Graphite colour combination. Designed to move with you, Mirra 2 supports dynamic sitting throughout the working day — making it ideal for both home offices and professional workplaces.

This in-stock version features the crisp Alpine frame and base, contrasted with a Graphite Butterfly Back and mesh seat for breathable, responsive comfort. Engineered around natural body movement, Mirra 2 adapts as you shift posture, helping reduce fatigue during long hours at your desk.

Available now for fast UK delivery.

Key Benefits

• Butterfly Back Suspension – Fabric over polymer structure provides adaptive, responsive support.

• Alpine Frame with Graphite Seat & Back – A fresh, professional colour combination.

• Harmonic™ 2 Tilt Mechanism – Encourages natural movement and balanced recline.

• Built-in PostureFit® Support – Supports the sacrum and promotes healthy posture.

• FlexFront® Seat Depth Adjustment – Adjustable seat depth for tailored thigh support.

• Forward Tilt & Tilt Limiter – Customise recline range for focused work.

• Fully Adjustable Arms – Height, width, depth and pivot adjustment.

• Breathable Mesh Seat – Promotes airflow for long-term comfort.

• 12-Year Warranty – Long-term manufacturer-backed peace of mind.

Specification

• Alpine base and frame

• Graphite Butterfly Back and mesh seat

• Fully adjustable arms with vinyl armpads

• Built-in PostureFit support

• Adjustable lumbar support

• Tilt limiter and forward tilt

• Seat height adjustment

• FlexFront® adjustable seat depth

• Choice of castors

Best For

• 6–10+ hour desk days

• Users who prefer responsive, movement-based ergonomics

• Home offices and professional workplaces

• Modern interiors needing a lighter frame finish

• Those wanting high performance without bulk

Wellworking Says…

“Mirra 2 with the Alpine frame and Graphite seat and back remains one of our strongest sellers. It offers high-end ergonomic performance in a lighter, modern colour combination — and this version is available for fast delivery.”

Herman Miller Mirra 2 FAQs

What makes the Butterfly Back different?
The Butterfly Back combines a polymer spine with a fabric suspension layer. This creates a responsive backrest that adapts to your movements while maintaining structured support.

Is the Mirra 2 suitable for all-day use?
Yes. Mirra 2 is designed for extended daily use, with dynamic support that encourages movement and reduces static sitting fatigue.

How is the chair delivered?
It is delivered by Wellworking fully assembled and ready to use.

What adjustments are included?
This model includes seat height adjustment, FlexFront® seat depth adjustment, Harmonic™ tilt tension, tilt limiter, forward tilt, adjustable lumbar support, PostureFit support, and fully adjustable arms.

How do I clean the Mirra 2?
Clean the frame, seat and back with a soft cloth and mild detergent. Avoid solvents or abrasive cleaners.

What warranty is included?
The Mirra 2 includes a 12-year Herman Miller manufacturer warranty covering parts and labour under normal use.