The Scarlet mattress has 4cm of Memory Foam on the winter side and a higher dense 'firmer' summer side.
"Pocket Springs with Visco Elastic"
"Moulds to the contours of your body shape!"
"Pocket Sprung with Visco Gel"
"Pocket sprung, Damask, Viscose and a built in cotton topper!"
"Pocket sprung, Temperature controlled, Visco, Firm & supportive!"