A: The cushion is designed to indent in the sacral-ischial area. The soft, less firm foam of the sacral-ischial area, by design, exerts less “push back” on the cushion fabric than the surrounding firmer foam. See Sacral-Ischial Foam Indentation Explanation for more information.
Why do some VARILITE cushions have an indentation?
A: The cushion is designed to indent in the sacral-ischial area. The soft, less firm foam of the sacral-ischial area, by design, exerts less “push back” on the cushion fabric than the surrounding firmer foam. See Sacral-Ischial Foam Indentation Explanation for more information.
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