Z CONVOLUTION Pillow - Gel Infused DOUGH Memory Foam Core with GELLED MICROFIBER Fill - 3 Levels of Support - 3 Year U.S. Warranty - King - High Loft Convoluted gel memory foam core encased with GELLED MICROFIBER fill provides three different levels of support for multi-position sleepers Flat side of the memory foam provides firm support; convoluted side provides soft support; or remove memory foam core for an ultra-plush, down-like feel Amazingly soft TENCEL cover is naturally moisture wicking, more absorbent than cotton, softer than silk, and cooler than linen Gel DOUGH memory foam core is infused with cooling gel beads that dissipate heat for an optimal thermal experience This adaptable pillow is backed by a 3-Year U.S. warranty against manufacturer defects