This spring tufted mattress features a premium spring system with our tuft-tec technology which provides superior comfort by maximizing the comfort and support and creating an exceptional mattress. We’ve torn up the tufted mattress rulebook by quadrupling the comfort fillings and quadrupling the comfort compared to other tufted mattresses. Mattresses redesigned redefined and revolutionized white noise-cool touch AC sleep surface: the white noise-cool touch sleep surface is up to 10 times more breathable than standard cool touch providing air-conditioned sleep for your body by regulating core temperature and inhibiting overheating whilst asleep. They’ve 200 gsm fillings but we’ve used 800 gsm. We’ve maximized comfort by creating the ultimate range of budget comfort mattresses without increasing the cost. Symple Stuff Size: Double (4'6)