Looking for an incredibly comfortable night's sleep? An 8-inch Wool and Spring Mattress is the perfect combination of breathability, coziness and lightweight support. With 733 individually pocketed double tempered 4 inch coils that provide isolating comfort and motion transfer reduction, plus all natural American grown virgin wool with high crimp for extra loft - you'll love this mattress! It also features pressure-isolated micro coils to give your lower back relief from stiffness when you wake up in the morning. Medium rated firmness makes it ideal for any sleeper looking for a sound slumber every single night – made naturally so these organic ingredients will last forever!