Comfort rating medium micro quilted mattress with knitted fabric mattress depth approx 30cm weight responsive sealy posture tech 620 springs for total body support sealy smart fibres provide a cool fresh dry and hypoallergenic sleeping environment eco friendly tencel fibres help keep you cool and dry sealy edge guard provides edge to edge support for greater durability and comfort a deep layer of innergenic latex foroutstanding comfort and pressure relief endorsed by allergy uk for the