Specifications: 5cm pressure relieving memory foam layer High density foam base with ventilation channels to aid breathability 3 unique zones offering tailored support across all areas of the body Soft-touch, breathable knitted cover Comfort grade – Very Firm 1 year guarantee Rotate regularly – Rotate head to toe weekly for the first three months, then every month thereafter Made in the UK The Hyde & Sleep Lemon mattress combines unique zoned support with memory foam to ensure a deep and peaceful sleep. With a combination of pressure relieving memory foam and three zones of support, the Hyde & Sleep Lemon mattress is able to adapt to and support the contours of your body, offering tailored support and comfort throughout the night. Alongside supreme comfort, this mattress has a high density foam base that house ventilation channels to keep you cool and comfortable, encouraging airflow and enhanced breathability. This Hyde & Sleep is a single sided mattress and so does not require turning; however, we recommend you rotate the mattress from head to toe regularly. Our exclusive range of Hyde & Sleep mattresses have been specially designed to keep you cool and comfortable. Please note: This mattress is compatible with our Sleepmotion 200i and Sleepmotion 900i adjustable bed frames.