Sleep cooler and safer on this fiberglass-free memory foam mattress that pairs gel cooling technology with a soft, removable bamboo stretch-knit cover that machine washes easily. The medium-firm memory foam adapts to your body contours for customized pressure relief night after night, while a green tea infusion keeps the foam fresh and controls natural odors. CertiPUR-US certified foam is tested for durability and content safety, and this mattress in a box ships compressed and expands fully within 24 to 72 hours for simple setup in any bedroom, guest room, or kids room. Available in Twin, Full, Queen, and King sizes and backed by a 1-year warranty for breathable, contouring support.