Extra Thick Profile
The added thickness provides deep cushioning for office seating.
Seat cushions
/ ProtoArc
7.7
ProtoArc Seat Cushions
This extra thick cushion is designed for office chairs to assist with sciatica and tailbone pain. It features a black finish and a focused ergonomic profile
First look
Worth noticing
Sciatica Support
The design specifically targets relief for sciatica-related discomfort.
Professional Black
The black color fits seamlessly into professional office environments.
Current set
1 cushion on this hub
Why we keep it
Office Ergonomic Standards
This model focuses on a high-profile, extra thick design for maximum lift and support. It is specifically listed for office chair use to manage sciatica and tailbone pressure.
- Extra thick construction
- Sciatica relief design
- Tailbone support
- Black fabric finish
- Office chair optimization
- Ergonomic seat lift
What sets them apart
In the range
This ProtoArc set is built around Black seat cushions, Cushions for office chairs, Tailbone pain relief cushions, Sciatica relief cushions.
The specs that matter
Read the listed parts and finishes — Extra thick black office chair cushion — rather than a slogan.
Day-to-day use
ProtoArc cushion here match Black seat cushions, Cushions for office chairs, Tailbone pain relief cushions, Sciatica relief cushions as the titles describe them.
Details that change
Use Black seat cushions, Cushions for office chairs, Tailbone pain relief cushions, Sciatica relief cushions to tell one ProtoArc model from the next.
From the notes
Good and less good
Compiled from 8 analyzed reviews
Keepers
- Comfortable for long sitting 4
- Firm supportive foam 4
- Sciatica pain relief 4
- Stays in place 4
- Durable no flattening 3
- Adds seat height 2
- Portable with handle 1
- Removable washable cover 1
Watch for
- Adds seat height 2
- Small seat coverage 2
- Compresses over time 1
- Durable no flattening 1
- Stays in place 1
From use
Notes from buyers
The extra thickness of this cushion really helps with my sciatica during the workday.
It fits my office chair perfectly and the black color looks professional.
I noticed a big difference in my tailbone pain after switching to this thick cushion.
Common questions
ProtoArc Questions
What color is this cushion?
This seat cushion comes in black.
What conditions is this cushion for?
It is designed for sciatica and tailbone pain relief.
Is this cushion thin or thick?
This model is described as an extra thick seat cushion.
Where should this cushion be used?
It is primarily designed for use in an office chair.