Memory Foam Mattress: Get an extra thick gel memory foam mattress. For side-sleepers: Medium-firm, perfect for those who like to sleep on their side. 8-10in deep: A spring mattress with a gel memory foam layer which moulds around the shape of your body to give you the best sleep of your life! Sizes: Choose from small single to super king (see pricing and dimensions below). Good for circulation: Contours to your body's natural shape while relieving pressure points across your body to promote good blood circulation. Hypoallergenic: Features a luxuriously cool stretchable fabric cover which is hypoallergenic and dust mite resistant. Extra Thick Gel Memory Foam Mattress | Living Social | Living Social