A champion of comfort for all, Serta has pioneered sleep innovation for more than 90 years, bringing quality products to more than 150 countries worldwide. Serta's iComfortECO Q10 Quilted Hybrid 10.5" Extra Firm Mattress delivers on both targeted and supportive sleep design while being ideally suited for the back and stomach-style sleeper. A CoolTemp Cover provides a cool-to-the-touch, breathable cover that is conducive to a deeper, more restorative sleep while a layer of 1,000 Series 5-Zone Quad Coils help to deliver deep, targeted support. The ideal mattress for sleepers who need and desire a significant degree of support.