Experience responsive support with this UltraGel® mattress from Silentnight. The brand's UltraGel® layer adapts to your movements, delivering pressure-relieving comfort before bouncing back as you change position. Plus it's up to five times more breathable than standard memory foam. A dual layer of 2,000 Mirapocket® springs and 1,000 mini springs responds independently to distribute weight evenly, encourage improved spinal alignment and enhance breathability. The deep boxtop provides luxurious cushioning to complement the mattress's firm feel.