This Mayfair mattress features a layer of memory foam for additional, comforting pressure relief as it moulds to your body contours throughout the night. With a premium twin pocket spring layer individual 2000 springs held under tension in their own fabric pockets, this mattress responds independently to weight to deliver individual tailored support. The Mayfairs pocket spring system offers zoning across the mattress which is scientifically proven to provide superior spinal alignment and body support. With Allergy UK approved treatment this mayfair mattress ensures a heathier night's sleep.