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, have an ideal weight, sleep on their side or in other positions, wish to use an adjustable base (particularly suitable), do not suffer from neck and/or back pain, have peripheral blood circulation issues, 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.