* Dual spring system with 3000 responsive springs* Reinforced border increases usable sleep space* Seven zone support helps align your body and ease pressure* Available in Medium or Firm comfort levels This mattress is designed to respond to your body with precision, featuring a dual spring system made up of 1000 Ergo Zone7 pocket springs and 2000 Comfonomic micro springs. Together, they offer seven zones of support to ease pressure and adapt to your movements throughout the night. The reinforced Ultra Edge Border gives you more space to stretch out while keeping you supported from edge to edge. Smooth Tech tuft free technology creates a soft, lump free surface for uninterrupted rest. Inside, breathable layers of English Spun Cotton, Hampshire Wool, silk and cashgora help regulate temperature naturally. Choose Medium for a balanced feel or Firm for extra support, ideal if you sleep on your back or stomach.