Coop Sleep Goods Adjustable Orthopedic Pillow is precision-engineered for side and back sleepers who struggle with neck pain and want genuinely restorative sleep. Four adjustable zones, a center nest, two side chambers, and a cervical neck bolster, work together to cradle your head, align your spine, and relieve tension and stiffness where it matters most. Each zone can be customized by adding or removing fill to dial in the exact loft and support your body needs. Our one-of-a-kind star-shaped memory foam and microfiber blend interlocks to resist clumping and deliver stable, consistent support all night long. CertiPUR-US and GREENGUARD Gold certified, with a soft, breathable cover that's fully machine washable.