HYBRID ELITE PLUSH HE-1 - 10 YR WARRANTY The Siena Collection is our Double-Sided Pocketed Coil collection. The Hybrid Elite Plush features our heavy duty 960 pocket coil that is double sided. It has zero motion transfer and cooling technology. This mattress is undervalued. Put this on an adjustable base and sell for 899 all day, every day. We have special pricing for twin XLs for adjustable beds. 960 Pocketed Coil with Active Guard Perimeter Edge Double-sided Cool Silk Cover 1.625in Super Soft Quilting Zero Motion Transfer Adjustable Friendly Top Seller 10 Year Warranty