BEST SLEEP COMFORT IN EVERY SEASON Thermo Balance Mattress can balance the body temperature with its special fabric to avoid the too hot or too cold feeling at night. It adjust the shape of your body and supports it for sleeping habits. This support is useful for balancing the blood pressure of your body during night. Twosided Mattress - Coolerside: Keeps your body temperature lower to avoid too hot feeling at night. It is advised to use it in Summer. Warmerside: Keeps your body temperature higher to avoid too cold feeling at night. It is advised to use it in winter.