Millennium 2.0 Hybrid 14 Inch Mattress

Discover the luxury of this hybrid twin XL mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Its gel memory foam and body contouring foam provide firmness and restorative support. The premium pressure-sensitive NanoCoil unit and individually wrapped coils help to provide a great night's sleep. Plus, this mattress arrives in a box for quick and easy setup. Simply bring it to your room, remove the plastic wrap and unroll. Specifications▶ Specifications Details Brand Name Sierra Sleep® by Ashley Lifestyle Traditional Bed Size Twin XL Mattress Feature Cooling Assembly Assembly Not Required Product Details▶ Comfort level: plush Dual cooling action with phase changing material (PCM) High-density gel memory foam for lumbar support; high-density body contouring support foam Premium pressure-sensitive NanoCoil unit; individually wrapped coil pack Stability support base Hyper Cool luxury 4-way stretch knit cover for uniform comfort & durability Adjustable base compatible 10-year non-prorated warranty Note: Purchasing mattress and foundation from two different brands may void warranty; see warranty for details Foundation/box spring sold separately Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening State recycling fee may apply Made in USA Availability▶ Available Configurations SKU M31371 — Twin XL Dimensions: 79.5''W x 38''D x 14''H | Weight: 64.0 lbs▶This option is a Twin XL Mattress.SKU M31331 — Queen Dimensions: 79.5''W x 60''D x 14''H | Weight: 100.0 lbs▶This option is a Queen Mattress.SKU M31341 — King Dimensions: 79.5''W x 76''D x 14''H | Weight: 125.0 lbs▶This option is a King Mattress.SKU M31351 — California King Dimensions: 83.5''W x 72''D x 14''H | Weight: 126.0 lbs▶This option is a California King Mattress.