The phrase "comfortable cushion" refers to something soft and cushiony that provides support and ease, making you feel comfortable and relaxed. Full definition
If you like to be social with the neighbors, a spacious lobby area with comfortable cushions, good cocktails, and the endless food is available. (adventureinyou.com)
It also has an on - board comfortable cushion cover for extra support and comfort. (thehomeclone.com)
A mat is an indispensable part of any yoga regimen, providing a protective and comfortable cushion between you and the floor. (marthastewart.com)