Ergonomic seasonal mattress with removable cover

This mattress is suitable for those who do not feel particularly hot or cold in bed,have mild 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.