Experience the pinnacle of sleep comfort through Plank+Beam's memory foam mattresses. Our 8-inch memory foam mattress delivers an impeccable balance between support and comfort. Discover the best memory foam mattress designed for optimal rest on a medium-firm foam surface, offered for twin-size beds, twin XL beds, full-size beds, and queen-size beds. Keep your sleep space clean and healthy with our waterproof mattress covers. From spills to sweat to allergens, these water-resistant mattress protectors ensure your bed stays a healthy space you can go to relax and decompress. Upgrade your sleep sanctuary with Plank+Beam's premium foam mattress collection and experience sleep like never before.