This Bonnell spring mattress features a premium spring system with a unique 3-layer comfort construction combining eco foam eco cloud poly and memory wool fibre foam creating an exceptional mattress. We’ve torn up the premium budget mattress rulebook by tripling the number of comfort fillings and tripling the comfort compared to other mattresses. Its budget 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. We’ve designed the mattress border with an air mesh active cool fabric that draws in cooling air through the sides and into the mattress core helping create an internal air-conditioned cooling effect.