Fully Adjustable to Your Comfort: Coop s Original Pillow is fully adjustable. Simply add or remove memory foam fill to achieve your desired firmness remove fill for a softer feel or add more for a firmer one. Keep in mind that cooler environments may cause the foam to feel firmer, so adjust accordingly. Whether you re a back, side, or stomach sleeper, you can create the perfect pillow for your sleep style to experience ultimate comfort and support. Premium Materials for Ultimate Comfort: The Coop Original Pillow is the best pillow for sleeping, featuring our signature Lulltra fabric cover with its ultra-soft texture and breathable fabric, it's perfectly designed for a cozy, luxurious sleep. Inside, it's filled with our proprietary Oomph fill, a perfect blend of shredded memory foam and microfiber for plush, adaptive support.