Multi layer cubes allow you to customize each side of the mattress from head to toe to accommodate side sleepers, back sleepers and stomach sleepers.
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Gel memory foam cubes can be flipped to change the comfort and support on either side of the mattress for side sleepers, back sleepers and stomach sleepers.
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The Z4 mattress features Tri-Zone Wave-Cut Cooling Gel Memory Foam and Ice Fiber for a cool night's sleep and is adjustable on both sides from head to toe in seven zones for complete personalized comfort.