12″ Ultra Plush Hybrid



Enjoy endless possibilities for restful sleep with the Sierra Sleep 12″ Ultra Plush Hybrid. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High density foam provides the firmness you love. Gel memory foam provides restorative support for your lower back. Hypoallergenic material is ideal for sufferers of allergies for ultimate undisturbed sleep–not to mention peace of mind. Plus, this mattress arrives in a box for quick and easy setup. Simply bring it to your room, remove the plastic wrap, and unroll. Foundation/box spring available, sold separately. Sizes Available: Twin, Full, Queen, King, and California King.

Collection Features

  • 75″ high density gel memory foam lumbar support
    1.5″ high density super soft quilt foam
    1″ upholstery grade comfort support foam
    2 perimeter rows of 9″ 13-gauge pocketed coils
    Individual power packed wrapped coils
    10-year non-prorated warranty, CertiPur-US certified, and adjustable base compatible!


Mattress Dimensions

Mattress Height: 14.5″

  • Twin/Single – 39” Wide x 75” Long
  • Full/Double – 54” Wide x 75” Long
  • Queen – 60” Wide x 80” Long
  • King – 76” Wide x 80” Long
  • Cal. King – 72” Wide x 84” Long
  • Twin XL – 39” Wide x 80” Long
  • Standard Foundation Height: 9″
  • Low Profile Foundation Height: 5″


10-year non-prorated warranty against manufacturer defects.   Contact store for more information.


State Recycling Fee

The state of Oregon and Washington requires stores selling mattresses and foundations to collect a mattress recycling fee per item sold.   If you purchase a mattress and box that would be 2pcs.   Contact the store for more information.

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Additional information

Dimensions N/A

Twin Mattress Only, Twin Set, Full Mattress Only, Full Set, Queen Mattress Only, Queen Set, King Mattress Only, King Set, Cali. King Mattress Only, Cali. King Set