Solid foam construction for firm sleeper's needs providing pressure relief. Available in a Non-Flip or Flippable Design. 100% USA MADE & HANDCRAFTED - All of that materials we use are 100% USA made, right down to our threads!Better than any economy brand mattresses including: casper, tuft and needle, purple, leesa, saavta and more. EXPERIENCE - As a proprietary brand, we are the only maker of Comfort Sleep Systems mattresses. Our record of making mattresses since 1939 speaks for itself. We are a family owned business and treat you like part of our family. All in all, we have been around the block a time or two, so take comfort in our many decades of experience. NO HEAT - Memory foam mattresses sleep HOT because the foam is made of viscoelastic. This foam is designed to absorb energy in motion. Product Design Not temperature sensitive Available in Flip or Non-Flip Solid foam Certi-Pur Certified Plant based foam