The supportiveness of the mattress surface, ranging from extra firm for maximum support to ultra plush for a softer, cushioned feel.

Mattress Comfort Level

The internal components and support system of the mattress, like innerspring, memory foam, or hybrid.

Mattress Construction

The style of the mattress's uppermost comfort layer, such as a pillow top, euro top, or tight top.

Mattress Top

The overall measurement of the item from the floor to its highest point (how tall the item is).

Height

Twin XL

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Sierra Sleep® by Ashley Millennium 2.0 Hybrid 14" Ultra Plush Tight Top California King Mattress

Discover the luxury of this hybrid California king mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Its high-density 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. 

Sierra Sleep® by Ashley Millennium 2.0 Hybrid 14" Ultra Plush Tight Top King Mattress

Discover the luxury of this hybrid king mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Its high-density 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.

Sierra Sleep® by Ashley Millennium 2.0 Hybrid 14" Ultra Plush Tight Top Queen Mattress

Discover the luxury of this hybrid queen mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Its high-density 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.

Sierra Sleep® by Ashley Millennium 2.0 Foam 12" Firm Pillow Top Queen Mattress

Discover the luxury of this memory foam queen mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Gel memory foam and high-density support foam conform to your body, delivering pressure relief and comfort. And a green tea-infused support foam base provides enhanced stability.

Sierra Sleep® by Ashley Millennium 2.0 Foam 12" Firm Pillow Top California King Mattress

Discover the luxury of this memory foam California king mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Gel memory foam and high-density support foam conform to your body, delivering pressure relief and comfort. And a green tea-infused support foam base provides enhanced stability.

Sierra Sleep® by Ashley Millennium 2.0 Foam 14" Plush Pillow Top Queen Mattress

Sierra Sleep® by Ashley Millennium 2.0 Foam 14" Plush Pillow Top King Mattress

Discover the luxury of this memory foam king mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Gel memory foam and high-density support foam conform to your body, delivering pressure relief and comfort. And a green tea-infused support foam base provides enhanced stability.

Sierra Sleep® by Ashley Millennium 2.0 Foam 14" Plush Pillow Top Twin XL Mattress

Discover the luxury of this memory foam twin XL mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Gel memory foam and high-density support foam conform to your body, delivering pressure relief and comfort. And a green tea-infused support foam base provides enhanced stability.

Sierra Sleep® by Ashley Millennium 2.0 Hybrid 12" Plush Euro Top King Mattress

Discover the luxury of this hybrid king 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.

Sierra Sleep® by Ashley Millennium 2.0 Hybrid 12" Plush Euro Top Twin XL 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.

Sierra Sleep® by Ashley Millennium 2.0 Foam 12" Firm Pillow Top King Mattress

Sierra Sleep® by Ashley Millennium 2.0 Foam 12" Firm Pillow Top Twin XL Mattress

Sierra Sleep® by Ashley Millennium 2.0 Foam 14" Plush Euro Top California King Mattress

Sierra Sleep® by Ashley Millennium 2.0 Hybrid 12" Plush Euro Top Queen Mattress

Discover the luxury of this hybrid queen 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.

Sierra Sleep® by Ashley Millennium 2.0 Hybrid 12" Plush Euro Top California King Mattress

Discover the luxury of this hybrid California king 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.

Discover the luxury of this memory foam queen mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Gel memory foam and high-density support foam conform to your body, delivering pressur

Dual cooling action with phase changing material (PCM)

High-density gel memory foam for lumbar support

High-density body contouring support foam

Green tea-infused base foam for added stability

Hyper cool luxury 4-way stretch knit cover for uniform comfort and durability

Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening

Note: Purchasing mattress and foundation from two different brands may void warranty; see warranty for details

*Mattress only, all other products sold separately. Images may not depict actual size.

High-density body-contouring support foam

Luxury 4-way stretch knit cover for uniform comfort and durability

Twin XL

Sierra Sleep® by Ashley Millennium 2.0 Foam 12" Firm Pillow Top Queen Mattress

$1,269.99

Sierra Sleep® by Ashley Millennium 2.0 Foam 14" Plush Pillow Top Queen Mattress

$1,639.99

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