Cool touch: The cool touch knitted fabric top helps to spread bodyweight evenly, providing a supportive and firm feel whilst taking away any extra heat with its breathable capability! Hypoallergenic: The mattress is dust mite-resistant and hypoallergenic. Depth: 23cm (approx 9"). Sizes: Choose from six sizes (see full details). Memory foam: With memory foam woven into the cover that moulds to the curves of your body and a 13.5g spring system, you're sure to have sweet dreams night after night! Mattress: Get a Charlotte memory foam mattress. 10" Charlotte Memory Foam Mattress | Living Social | Living Social