Handmade in the UK, the Alderney mattress from Sealy offers unrivalled comfort and superior support. If you need a medium-firm mattress to sleep properly on, then this is the perfect choice for you. Sealy have included 1,000 pocket springs that are clustered in zones throughout the mattress. This delivers amazing stability to your body when you\'re asleep - in the areas where it\'s most needed.Also contained in the innovative design is a 4cm deep Geltex layer. This shapes itself to the contours of your body and helps to reduce pressure on your joints when resting. The Geltex material has been developed with a clever open cell design to help control your temperature when sleeping. With this feature in place, you will always enjoy a solid night\'s sleep without waking up too hot.The Alderney has been hand tufted for increased longevity and comes with a knitted cover. This cover is made from ultra-soft Tencel materials and smart fibres. Not only does this make the mattress naturally hypoallergenic but it\'s also very comfortable to sleep on. When you want to rotate it, robust turning handles make it simple.