The Convolution is crafted with the multi-position sleeper in mind and offers different levels of customizable support. A convoluted memory foam core encased in airy Gelled Microfiber fill creates a soft, supportive sleeping surface, while the other side offers more support for side sleeping. Remove the core for an ultra-plush, luxurious down feel without odors, allergens, and sharp quills. A 300 thread count damask striped cover encases this pillow for added comfort. | The Convolution is crafted with the multi-position sleeper in mind and offers different levels of customizable support. A convoluted memory foam core encased in airy Gelled Microfiber fill creates a soft, supportive sleeping surface, while the other side offers more support for side sleeping. Remove the core for an ultra-plush, luxurious down feel without odors, allergens, and sharp quills. A 300 thread count damask striped cover encases this pillow for added comfort.