Perle is a classical-looking mattress that conceals an advanced structure. In fact, the stitched side band with blush pink accents encloses a structure of pocket springs completed by a layer in Fresh Memory, a foam that adapts to the body during rest and dissipates heat to over a pleasing sensation of freshness. This make is it possible to enjoy the support of pocket springs without renouncing the comfort of memory foam. Perle is a Class 1 Medical Device.