The Harrow Natural MediumThe middle ground, and the one most people actually want. Medium tension suits the majority of sleepers, particularly couples with different preferences. Enough give to be comfortable, enough structure to support. 2150 individually pocketed springs (more than double the Ashbourne) give finer point by point support across the bed. The fillings step up too: wool, cotton, silk, cashgora and horsehair, all natural fibres that wick moisture and regulate