Ergonomic seasonal mattress with removable cover

This mattress is suitable for those who feel quite hot and/or cold in bed,have moderate sweating,are overweight (exceed their ideal weight by 5/10%),sleep on their side or in other positions (particularly suitable),wish to use an adjustable base,suffer from neck and/or back pain,have peripheral blood circulation issues (particularly suitable),are not subject to electromagnetic pollution,want a mattress with differing comfort levels on either side (bi-comfort), want a different comfort level than their partner, have a particular need to remove the mattress cover.