CUSHIONS & SUPPORTS – The Purple Mattress features 2'' of Purple’s GelFlex Grid technology to give you the best cushioning and support. The Grid cradles pressure points like hips and shoulders while keeping the rest of your body fully aligned. OPTIMAL TEMPERATURE - With over 1,400+ air channels built into the temperature-neutral Grid and breathable foams used in the base, you'll stay comfortable all night. INSTANT RESPONSE - The GelFlex Grid immediately flexes to support your position and springs back into place as you readjust and move overnight.