Serta iSeries Expression Firm Twin XL Mattress Set
Experience the benefits of our gel memory foam technology with a firm mattress. It features our Cool Action™ Dual Effects® Gel Memory Foam to help relieve pressure while providing targeted support and enhanced cooling comfort. Two layers of Serta® Support Foam rest under the Cool Action material, allowing you to experience the benefits of this advanced material in a firm mattress. Features •Comfort Layer o¾” Cool Action™ Dual Effects® Gel Memory Foam o1” Serta® Support Foam o1” Serta® Support Foam •Support Layer oDuet® Coil Individually Wrapped Coil-in-Coil Support System
iSeries Expression Firm Twin Extra Long Mattress Only
Redesigned for 2014, the iSeries Hybrid Sleep System now features our Cool Action™ Dual Effects™ Gel memory foam – our latest breakthrough in gel memory foam technology. This is the world’s first material to combine both our original MicroSupport® gel and our MicroCool+™ gel in a material with up to 25% more total gel than our original formula.
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