Check the listing for details. Cooling Side Sleeper Ergo Pillow by Slumber Way™. Color: White, Condition: New with tags, Made in CN. Listed at 29.99 USD. Wake up refreshed and supported with the Cooling Side Sleeper Ergo Pillow. Specially designed with a U-shaped shoulder cutout, this ergonomic pillow promotes proper head, neck and shoulder alignment—perfect for side sleepers who struggle with pressure points and arm discomfort. A gentle depression in the surface helps reduce ear pressure while maintaining optimal neck support throughout the night. Up to 3" thicker than a standard pillow, it helps relieve strain on your arm and shoulder, keeping your spine comfortably aligned. The cooling pillow's breathable fabric cover disperses body heat, creating a refreshing, cool-to-the-touch feel. Works for all sleep positions, but is especially ideal for side sleepers. Side sleeper pillow is polyester with polyester fill; cover is 60% nylon/40% poly.