Do you spend sleepless nights pillow flipping, or flipping yourself from side to side, searching for a cool, comfortable spot to lay your head? Then, our ORIGINAL PERFORMANCE Down Alternative Pillow for Side Sleepers is the solution you need for cooler sleep and pressure-relieving support. Balancing our breathable, cool-to-touch ORIGINAL PERFORMANCE fabric with temperature-regulating CLIMA Fill Cell Solution® in the outer removable cover, this pillow provides the ultimate combination of superior temperature manipulating technologies for better quality sleep. We filled the pillow with hypoallergenic down alternative performance fiber fill at a 2" gusset to properly distribute the fill for a consistent loft across the entire pillow, providing neck support and better spine alignment for side sleepers. Features: Outer cover is silky-smooth, moisture-wicking performance fabric that feels cool to the touch. Washable, removable hex-quilted cover with easy-pull zipper. Cover filled with phase changing Cell Solution® CLIMA fiber to regulate body temperature. Cell Solution® CLIMA fibers absorb excessive body heat and release it back as needed. Inside filled with hypoallergenic down alternative performance fiber. 2" gusset provides consistent loft for neck and spine support. Includes one side sleeper pillow. Zippered Fabric Cover: 87% Polyester/13% Spandex Cover Fill: Cell Solution® CLIMA fiber Pillow Fill: 100% Hypoallergenic Polyester Dimensions Standard/Queen 18" W x 26" L x 2" H King 18" W x 34" L x 2" H