A higher-profile, loftier (thicker ) supple pillow-in-a-pillow infused with three types of highest quality hypoallergenic down alternative fibers. This advance innovation gives the pillow a plush, moldable, and cloud-like feel. The 100% cotton casing makes the pillow cool, breathable, and comfortable. Select standard, queen, or king. We recommend: Narrow Shoulders: Standard Firm, Medium Shoulders: Queen Firm, Wide Shoulders: King Firm Side sleepers may purchase a Knee Pillow to place between the knees for ultimate comfort.