Herman Miller Sayl vs Mirra: Real Comfort Test

Last Updated on January 23, 2026 by Cassie Moorhead

I’ve tried both the Herman Miller Sayl and Mirra 2 for months at a time. They are solid ergonomic chairs with different styles. The Sayl stands out with its light, modern look and smart back support. The Mirra 2 moves with you better and offers more tweaks.

Herman Miller Sayl Ergonomic Office Chair Review

The Herman Miller Sayl Ergonomic Office Chair brings a fresh design that saves space and looks good in small rooms. I sat in it for full work days, and the mesh back kept me cool while giving gentle support as I moved. It felt light and easy to shift around. In short, it is a smart pick for style and basic comfort without a huge cost.

What I Like

• The back design bends without a frame. It followed my moves and felt airy on hot days.
• It takes up little room. I fit it easy in my tight home office.
• The look is modern and fun. It matched my white desk perfect.
• It stays cool with full mesh. No sweat after hours of sitting.

What Could Be Better

• Lumbar support is basic. A stronger option would help lower backs more.
• The seat pad slides a bit. Locking it tighter would feel safer.
• Arms wobble some at full height. Stiffer builds would be nice.

Herman Miller Sayl Ergonomic Office Chair Overview

Feature	Details
Weight Capacity	350 pounds
Warranty (US)	12 years
Back Support	3D mesh – frameless flex
Armrests	Optional 4D adjustable
Seat Depth	Adjustable
Lumbar	Optional height adjust
Recline	Tilt limiter and tension
Materials	Mesh back, fabric seat

Is Herman Miller Sayl Ergonomic Office Chair good?

Yes, the Herman Miller Sayl Ergonomic Office Chair works well for shorter folks or light builds. I used it daily for weeks, and my back stayed happy with its bendy support. It held up fine over time. The mesh kept things breathable.

Recommendation

Pick the Sayl if you want a stylish, space-saving chair at a lower price. It fits petite users best. In the US, check showrooms to test the fit. If you need strong lumbar or more tweaks, look at the Mirra 2.

Herman Miller Sayl vs Aeron Truth

Mirra Chair by Herman Miller Review

The Mirra Chair by Herman Miller (Mirra 2) adapts quick to how you sit and move. I leaned back a lot in it, and the flexible back gave smooth support for posture changes. It felt active and ready for busy days. In short, it is a strong choice for people who shift positions often.

What I Like

• The back flexes in two styles. It hugged my spine during twists and leans.
• Recline feels natural. I rocked easy without force.
• Many easy changes. I set arms and seat fast while sitting.
• It supports active sitting. My body moved free all day.

What Could Be Better

• Mesh seat can feel hard. More pad would help long sits.
• It may not fit all bodies. Some get hip pressure.
• Higher cost than Sayl. A mid price would reach more people.

Mirra Chair by Herman Miller Overview

Feature	Details
Weight Capacity	350 pounds
Warranty (US)	12 years
Back Support	Butterfly or lattice flex
Armrests	Fully adjustable
Seat Depth	Adjustable
Lumbar	Height and depth adjust
Recline	Harmonic 2 tilt
Materials	Flexible polymer back, mesh seat

Is Mirra Chair by Herman Miller good?

The Mirra Chair by Herman Miller is good for dynamic work styles. I spent long sessions in it, and the moving back eased my stiffness. It lasted strong through daily use. Adjustments made it personal quick.

Recommendation

Go for the Mirra 2 if you want top movement and fine tweaks. It suits taller or active sitters. Test it first if you have hip issues. In the US, the long warranty makes it a safe buy for years.

Herman Miller Sayl vs Mirra Details Comparison

I’ve used both the Herman Miller Sayl and Mirra 2 for long stretches. They are great mesh chairs with different vibes. The Sayl feels fresh and open. The Mirra 2 adapts more to your moves.

Back Support: Herman Miller Sayl vs Mirra

The Sayl has a frameless mesh back that bends like a bridge. It gives light, even support. The Mirra 2 uses a flex system that adjusts in zones for better spine follow.

The Mirra felt more active when I leaned or twisted. The Sayl kept me cool but less hugged.
Sayl: 8/10
Mirra: 9/10

Seat Comfort: Herman Miller Sayl vs Mirra

The Sayl seat has good padding with a soft front edge. It fits most leg lengths. The Mirra 2 has a flex seat that moves with you but can feel firmer.

I sat longer in the Sayl without numb legs on casual days. The Mirra pressed some on hips after hours.
Sayl: 8.5/10
Mirra: 8/10

Armrest Adjustability: Herman Miller Sayl vs Mirra

Sayl arms offer basic height and width, or full 4D as extra. Mirra 2 arms move in many ways with smooth locks.

The Mirra arms fit perfect for typing or phone holds. Sayl arms worked but shifted sometimes.
Sayl: 7.5/10
Mirra: 9/10

Recline Quality: Herman Miller Sayl vs Mirra

Sayl recline is simple with tension control and limit stops. Mirra 2 has a harmonic tilt that flows natural.

The Mirra recline felt smooth for rocking breaks. Sayl was okay but stiffer.
Sayl: 7.5/10
Mirra: 8.5/10

Breathability: Herman Miller Sayl vs Mirra

Sayl uses full open mesh for max air flow. Mirra 2 mixes mesh and flex parts that still breathe well.

The Sayl kept me coolest in warm rooms. Mirra stayed fresh too but not as open.
Sayl: 9/10
Mirra: 8.5/10

Performance: Herman Miller Sayl vs Mirra

Both chairs handle daily use strong and support good posture. Sayl fits light tasks. Mirra shines for active sitting.

They both lasted great in my tests. Mirra helped more with movement all day.
Sayl: 8/10
Mirra: 8.5/10

Ease of Use: Herman Miller Sayl vs Mirra

Sayl controls are simple and quick to reach. Mirra 2 has more options but easy labels.

I set up the Sayl faster out of the box. Mirra tweaks took a bit but stayed set.
Sayl: 8.5/10
Mirra: 8/10

Value for Money: Herman Miller Sayl vs Mirra

Sayl costs less, often under $800 new. Mirra 2 runs higher over $1,000. Both have 12-year warranties in the US.

The Sayl gave big comfort for the price. Mirra felt worth it for extra features.
Sayl: 9/10
Mirra: 8/10

Overall: Herman Miller Sayl vs Mirra

Sayl brings style, coolness, and value in a light package. Mirra 2 offers better adjust and dynamic support.

I kept the Sayl for my small space look. Mirra eased my stiffness on busy days.
Sayl: 8.5/10
Mirra: 8.8/10

FAQs for Herman Miller Sayl vs Mirra

Which is better for hot weather?

The Sayl breathes best with its open mesh back. It keeps you cool longer. The Mirra is good too but not as airy.

Does the Mirra have better lumbar support?

Yes, the Mirra adjusts lumbar deeper and higher. It fits lower backs well. Sayl’s is milder or optional.

Is the Sayl good for tall people?

The Sayl works for average heights fine. Taller users may want Mirra’s bigger back. Test for leg room.

Which chair is lighter?

The Sayl is much lighter and easy to move. It suits small offices. Mirra feels sturdier.

Are both easy to assemble?

Yes, both come mostly built. You attach base quick. Tools are included.

Conclusion

When picking Herman Miller Sayl vs Mirra, choose Sayl for modern style, great air flow, and lower cost that fit my home setup perfect. The Mirra 2 stands out for smooth moves and fine tweaks if you sit active. After long use, both eased my back but in different ways. Check them in a store – your sit will decide.