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King Mattresses

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Simmons Beautyrest Silver 12” Luxury Firm King Mattress

0750BRSLFDM
Last year’s model, today's off-price outlet find! Firm king mattress features silver-infused cover, cool foams & supportive wrapped coils.
$599 $399

Symbol Copper 9” Plush Innerspring King Mattress

0297COPPERDM
Plush king mattress offers supportive, rejuvenating sleep with a soft, copper-infused cover, gel quilt and foam-encased wrapped coil system.
$399

Simmons BeautySleep 8” Gel Memory Foam King Bed in a Box

0750BS8BIBDM
King-size bed in a box features a layer of conforming, pressure-relieving AirCool™ gel memory foam over a supportive foam core.
$599

Sleep Designs Canterbury 11.5” Innerspring King Mattress

0521CANTERBURYLFDM
Firm king mattress features foam encased wrapped coils, plus patented lumbar support and cooling gel beneath a closeout Tencel cover.
$899 $699

Symbol Advantage 15” Double-Sided Plush King Mattress

0297ADVANTAGEPLDM
King mattress offers twice the comfort with wrapped coils, cooling gel, plush memory foams and an organic cotton cover on both sides.
$899

OMI Rest Stella 12” Organic Hybrid King Mattress

3560STELLAMEDDM
Medium feel king mattress handcrafted with organic wool and cotton, natural rubber latex and a supportive wrapped coil system.
Call for pricing

OMI OrganicPedic Cascade 7.5” Double-Sided Latex King Mattress

3560CASCADEFMDM
American-made king mattress features a natural rubber latex core with sculpted and flat sides covered in an organic cotton and wool quilt.
Call for pricing

Shifman Richmond 12.5” Double-Sided Innerspring King Mattress

1377RICHMONDCFDM
Joma wool and natural cotton offer plush comfort on both sides of this handmade king mattress with a center of firm wrapped coils.
$2,999 $2,799

Shifman Cheyenne 15.5” Double-Sided Pillow Top King Mattress

1377CHEYENNEPTDM
Luxury king mattress handmade with Joma wool and cotton, as well as hundreds of individually wrapped coils for lasting, firm support.
$4,099 $3,499

Shifman Annapolis 15” Double-Sided Pillow Top King Mattress

1377ANNAPOLISPTDM
Plush king mattress is handmade with soft Joma wool and natural cotton on both sides, along with supportive individually wrapped coils.
$4,099 $3,499

iTwin Melodic Firm 14” King Mattress

0297MELODICFM2DM
King mattress with individually wrapped coils and gel lumbar for solid, pressure-relieving support below extra firm air flow foam.
$899 $799

Symbol Advantage 16” Double-Sided Cushion Firm King Mattress

0297ADVANTAGECFDM
An organic cotton quilt and layers of soft foams on both sides surround a core of wrapped coils for a firm yet comfortable king mattress.
$899

Enso Allure 8” Gel Memory Foam King Mattress

0525ALLUREDM
Firm gel memory foam king mattress offers conforming support, pressure relief and a cool feel beneath a soft, removable knit cover.
$599

iTwin Melodic 14” Plush King Mattress

0297MELODICPL2DM
Plush king mattress features individually wrapped coils and a pressure-relieving layer of cool gel foam beneath a luxurious pillow top.
$899 $799

iTwin Tori 14.5" Plush King Mattress

0297TORIPLDM
Tight top king mattress with cooling gel foam, pressure-relieving millennial coils and visco foam over individually wrapped coils.
$1,099

iTwin Tori 17" Pillow Top King Mattress

0297TORILXDM
Firm king mattress features AirFlow and cooling gel memory foams atop thousands of foam encased coils for individualized support.
$1,399

iTwin Tori 14.5" Firm King Mattress

0297TORIFMDM
King mattress with thousands of supportive foam encased coils beneath pressure-relieving visco and cooling gel foam layers.
$1,099

iTwin Hi Tech Silhouette 11.5” Gel Memory Foam King Mattress

2358SILHOUETTEDM
Liquid and transition gel foam layers create a cool, responsive king mattress that conforms to every unique curve of the body.
$1,599 $999

iTwin Hi Tech Cirrus 11.5” Gel Memory Foam King Mattress

2358CIRRUSPLDM
Liquid gel and memory foam layers beneath a quick drying quilt create a king mattress that feels as cool and soft as a cloud.
$1,599 $999

Aireloom Cameron 14” Innerspring King Mattress

0242A13886DM
King plush mattress handmade with 42 pounds of cotton features layers of latex and memory foam for a luxuriously plush feel.
$4,069 $3,999

iTwin Hi Tech Cumulus Luxe 13” Memory Foam King Mattress

2358CUMULUSLXDM
American made king memory foam mattress feels like a cloud with its conforming liquid gel foam layer and quick drying, soft quilt.
$1,799 $1,299

iTwin Black Stanbury 18.5” Hybrid King Mattress

0797STANETDM
Euro top king mattress with zoned foam encased coils, gel infused memory foam and latex covered by cooling wool and silk damask.
$2,199

iTwin Black Natalie 14.5” Hybrid King Mattress

0797NATALIEDM
Euro top king mattress with supportive zoned coils beneath layers of gel infused memory foam and latex with cooling air technologies.
$1,999

iTwin Black Macklin 14.5” Hybrid King Mattress

0797MACKLINDM
Luxury gel-infused memory foam and latex king mattress offers contouring support with firm zoned coils to relieve pressure points.
$1,699

iTwin Hotel Continental 14.5” Hybrid King Mattress

0797CONTLFDM
Handcrafted Euro top king mattress features foam encased coils, cooling airflow, zoned support, and a luxury silk fiber quilt.
$1,099 $999

Heavenly Tight Top King Mattress

0297HEAVENLYDM
Tight top king mattress features cooling gel, airflow memory foam, and hundreds of individually wrapped coils.
$439 $299

iTwin Isle of Capri 11” Innerspring King Mattress

0297CAPRIFMDM
Firm king mattress features an eco-friendly Tencel cover over air flow and gel memory foams atop individually wrapped support coils.
$539 $499

Aireloom Willow 14.5” Firm King Mattress

0242WILLOWXFDM
American-made king innerspring mattress with latex and memory foam cushioning beneath a hand-tufted, conforming knit surface.
$3,569

Aireloom Willow 14.5” Plush King Mattress

0242WILLOWPLDM
Handmade king innerspring mattress combines the pressure relieving benefits of memory foam with the cooling comfort of talalay latex.
$3,569 $2,699

Aireloom Evening 15.5” Innerspring King Mattress

0242EVENINGPLDM
Foam encased individually wrapped coils provide a durable base for the latex and memory foam comfort layers of this plush king mattress.
$3,869

Aireloom Almond IV 14.5” Innerspring King Mattress

0242ALMOND4DM
Luxury firm king mattress features natural silk and wool fibers over pressure relieving visco memory foam and strategic support layers.
$2,869 $2,499
Find more in our outlet stores

The Dump has a diverse array of king size mattresses to make your master bedroom fit for a monarch. At 76 inches wide and 80 inches long, king mattresses provide plenty of space for two partners to lie comfortably together. With a range of innerspring, memory foam, hybrid mattresses and more from big brands like Consumer Digest and Aireloom at unbeatable discounts, you're bound to find the one you've been dreaming of.

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