Our popular memory foam mattresses category has recently received a substantial update, with the addition of a number of new and innovative offerings designed to keep you cool whilst you sleep. Introducing COOLBLUE Whilst traditional memory foam (visco elastic foam) has a reputation for trapping body heat, our new collection of mattresses offers an alternative solution. Both the new COOLBLUE COOLVisco memory mattresses and PocketFLEX range have been designed to enable air ventilation and ‘breathability’,