ThermoBalance ® series includes four mattresses all available in Twin, Twin XL, Full, Queen, King, and California King. The ThermoBalance ® series comes fit with a ThermoBalance ® quilted cover complete with Tencel ® for a cool-to-the-touch sleeping surface, an air flow border for drier and cooler sleeping, and a gel-infused memory foam layer for optimal support. The ThermoBalance ® series is designed for hot sleepers so if that’s you, you’ve found your new mattress! The Grandeur is the second softest of the ThermoBalance ® series of mattresses, it is considered a medium feel mattress. The next softest mattress in the lineup is the Haven, the next firm mattress in the lineup is the Splendor. The Grandeur is regularly stocked in queen and king at our facility.