Experience the perfection of the Simba Hybrid Ultra mattress. Featuring Simba's most advanced signature tech, this plush mattress is made up of eleven remarkable layers and crafted from natural, breathable materials. Inside is a record number of pocket springs and micro springs, combined with cooling Simbatex® foam, cleverly designed to offer extra airflow compared to standard memory foam. New HeatRelease® strips use graphite technology, a natural material that helps move heat away from the body for a fresher sleep. This tech is exclusive to Simba in the UK. Treat yourself to a dreamy night's sleep with the Simba Hybrid Ultra.