Back cushions are not only decorative. They tune effective seat depth and lumbar support for different users.
Begin with seat depth
If the feet cannot rest comfortably or the back does not reach the support, a firmer inner cushion can reduce effective depth.
Separate support from decoration
Support cushions should retain shape; decorative cushions can be softer without compromising posture.
Test real positions
Sit upright, lounge and lie down as you normally would before choosing the number and firmness of cushions.
NEED A SECOND OPINION?
Have dimensions or a reference ready?
Send them to the team. We can point out what to measure and what is needed for an initial estimate.
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