Best Seller
Simmons Beautyrest Lumbar Supreme Adjustable Tri-Zone Support Air Bed Mattress with Built-in Pump, Silver, 18" King

Simmons Beautyrest Lumbar Supreme Adjustable Tri-Zone Support Air Bed Mattress with Built-in Pump, Silver, 18" King

Perfect solution for any time you need a sleep surface such as an extra bed, a planned camping or RV excursion, sleepover, or a guest bed 3 zone support technology allows you to adjust the lumbar area, keeping the spine aligned during rest; built-in... more

$179.25

FREE shipping

go to store
Lucid Dream Collection 12-in. Medium-Firm Memory Foam Mattress with Essential Adjustable Bed Base, Size: KING SPLIT, White

Lucid Dream Collection 12-in. Medium-Firm Memory Foam Mattress with Essential Adjustable Bed Base, Size: KING SPLIT, White

"This Lucid Dream Collection memory foam mattress comes with a ventilated design, providing amplified airflow and cooling! This Lucid Dream Collection memory foam mattress comes with a ventilated design, providing amplified airflow and cooling! Watch... more

$2,999.99 $1,949.99

FREE shipping

go to store
Best Seller
Sleep Innovations Cooling Gel Memory Foam Mattress Topper, 2 Inches, California King

Sleep Innovations Cooling Gel Memory Foam Mattress Topper, 2 Inches, California King

2 Inch Cooling Gel Memory Foam Mattress Topper: Cooling gel memory foam reduces heat and improves airflow for a cool feel and refreshing breathability; Add to your mattress for customized comfort Durable And Responsive: Toppers offer personalized... more

$121.00

FREE shipping

go to store
Sleep Innovations Cooling Gel Memory Foam Mattress Topper, 2 Inches, King

Sleep Innovations Cooling Gel Memory Foam Mattress Topper, 2 Inches, King

2 Inch Cooling Gel Memory Foam Mattress Topper: Cooling gel memory foam reduces heat and improves airflow for a cool feel and refreshing breathability; Add to your mattress for customized comfort Durable And Responsive: Toppers offer personalized... more

$90.59

FREE shipping

go to store
King Mattress, Sweetnight 12 Inch King Size Mattress in Box, Pillow Top Gel Memory Foam Mattress for Motion Isolation & Cool Sleep, Removable & Washable Mattresses Cover, Sunkiss

King Mattress, Sweetnight 12 Inch King Size Mattress in Box, Pillow Top Gel Memory Foam Mattress for Motion Isolation & Cool Sleep, Removable & Washable Mattresses Cover, Sunkiss

REMOVABLE & WASHABLE MATTRESS COVER WITH ZIPPER FOR EASY CARE - Sweetnight 12 inch king mattress is made with 2 layers covers. The outer cover is attached by a zipper, made with skin-friendly rayon cotton fabric. Helps circulate air & wick away heat... more

$849.99

FREE shipping

go to store
Classic Brands Cool Gel 2.0 Chill Memory Foam 14-Inch Mattress with Adjustable Comfort Adjustable Base and 2 BONUS Pillows, Spilt King (2 TXL Mattresses w/2 TXL Bases)

Classic Brands Cool Gel 2.0 Chill Memory Foam 14-Inch Mattress with Adjustable Comfort Adjustable Base and 2 BONUS Pillows, Spilt King (2 TXL Mattresses w/2 TXL Bases)

Premium pressure-relieving memory foam and high-density aerated cool gel memory foam are combined together to provide the essential support and comfort for a deeper night's sleep Beautifully tailored and detailed with a stretch knit fabric cover with... more

$1,619.46

FREE shipping

go to store
Classic Brands Decker Hybrid Memory Foam and Innerspring 10.5-Inch Mattress with Adjustable Comfort Adjustable Bed Base, Split King (2 TXL Mattresses w/2 TXL Bases)

Classic Brands Decker Hybrid Memory Foam and Innerspring 10.5-Inch Mattress with Adjustable Comfort Adjustable Bed Base, Split King (2 TXL Mattresses w/2 TXL Bases)

Combines the superior support of a wrapped coil innerspring system with the conforming response of memory foam for the ultimate sleeping experience Beautifully detailed quilted knit cover with a corded edge and coordinating knit sides for breathability... more

$1,471.46

FREE shipping

go to store
Signature Sleep Mattress, King Mattress, 12 Inch Hybrid Cool Gel Mattress, King

Signature Sleep Mattress, King Mattress, 12 Inch Hybrid Cool Gel Mattress, King

ULTIMATE COMFORT | Premium gel memory foam mattress provides balanced support and pressure relief for your head, neck, shoulders, hip and spine. GEL MEMORY FOAM | Designed with a 2-inch layer of cool gel infused memory foam to allow for greater airflow... more

$432.35

FREE shipping

go to store
Best Price Mattress 10" Air Flow Memory Foam Mattress, Cal King

Best Price Mattress 10" Air Flow Memory Foam Mattress, Cal King

Layers:2-in body-conforming memory foam, 2-in air-flow foam, 6-in HD support foam Convoluted design optimizes Air flow for a deeper rejuvenating sleep Responsive memory foam is engineered for superior pressure-relieving support Certified by CertiPUR-US... more

$293.56

FREE shipping

go to store
Mattress Solution 8" Assembled Semi Flex 8" Box Spring for Mattress, King Size, Spring Air Colletion

Mattress Solution 8" Assembled Semi Flex 8" Box Spring for Mattress, King Size, Spring Air Colletion

STRONG AND STURDY: RSAs prefer selling steel foundations because they're stronger WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses NO ASSEMBLY REQUIRED: Shipped fully assembled and ready to use, open the box and the mattress is... more

$231.00

FREE shipping

go to store
Mattress Solution SA4100z-6/0-3lp 5" Assembled Box Mattress, California King, Spring Air Colletion

Mattress Solution SA4100z-6/0-3lp 5" Assembled Box Mattress, California King, Spring Air Colletion

STRONG AND STURDY: made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the mattress in perfect shape WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses... more

$281.84

FREE shipping

go to store
Mattress Solution SA4100z-6/6-3lp 5" Assembled Box Mattress, King, Spring Air Colletion

Mattress Solution SA4100z-6/6-3lp 5" Assembled Box Mattress, King, Spring Air Colletion

STRONG AND STURDY: made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the mattress in perfect shape WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses... more

$208.23

FREE shipping

go to store
Olee Sleep 10 Inch Aquarius Memory Foam Mattress / Airflow Ventilation Mattress, Cal King

Olee Sleep 10 Inch Aquarius Memory Foam Mattress / Airflow Ventilation Mattress, Cal King

5 Multi layer : Multi Layers enable Air Flow & Ventilation Includes supportive egg carton layer & Adds breathability, longevity and durability. Top layer sustains bodyweight and maintains body shape for rest in the best condition. Memory foam mattress... more

$319.99

FREE shipping

go to store
Mattress Solution 8" Assembled Semi Flex Box Foundation for Mattress, Spring Air Colletion, King, Size

Mattress Solution 8" Assembled Semi Flex Box Foundation for Mattress, Spring Air Colletion, King, Size

STRONG AND STURDY: RSAs prefer selling steel foundations because they're stronger WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses NO ASSEMBLY REQUIRED: Shipped fully assembled and ready to use, open the box and the mattress is... more

$246.53

FREE shipping

go to store
Mattress Solution SA4100z-6/0-3lps 5" Assembled Split Box Mattress, California King, Spring Air Colletion

Mattress Solution SA4100z-6/0-3lps 5" Assembled Split Box Mattress, California King, Spring Air Colletion

EASY TO CARRY: Box spring comes split in two to easily pass through narrow hallways & doors STRONG AND STURDY: made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the... more

$226.03

FREE shipping

go to store
Mattress Solution 8" Assembled Semi Flex 8" Split Box Spring for Mattress, King Size, Spring Air Colletion

Mattress Solution 8" Assembled Semi Flex 8" Split Box Spring for Mattress, King Size, Spring Air Colletion

EASY TO CARRY: Box spring comes split in two to easily pass through narrow hallways & doors STRONG AND STURDY: RSAs prefer selling steel foundations because they're stronger WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses NO... more

$315.00

FREE shipping

go to store
Mattress Solution SA4100z-6/6-3sf 8" Assembled Semi Flex Box Mattress, King Size, Spring Air Colletion

Mattress Solution SA4100z-6/6-3sf 8" Assembled Semi Flex Box Mattress, King Size, Spring Air Colletion

STRONG AND STURDY: RSAs prefer selling steel foundations because they're stronger WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses NO ASSEMBLY REQUIRED: Shipped fully assembled and ready to use, open the box and the mattress is... more

$241.89

FREE shipping

go to store
Mattress Solution SA4100z-6/6-3lps 5" Assembled Split Box Mattress, King, Spring Air Colletion

Mattress Solution SA4100z-6/6-3lps 5" Assembled Split Box Mattress, King, Spring Air Colletion

EASY TO CARRY: Box spring comes split in two to easily pass through narrow hallways & doors STRONG AND STURDY: made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the... more

$207.36

FREE shipping

go to store
Mattress Solution 4" Assembled Semi Flex Box Foundation for Mattress, Spring Air Colletion, King, Size

Mattress Solution 4" Assembled Semi Flex Box Foundation for Mattress, Spring Air Colletion, King, Size

STRONG AND STURDY: RSAs prefer selling steel foundations because they're stronger WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses NO ASSEMBLY REQUIRED: Shipped fully assembled and ready to use, open the box and the mattress is... more

$268.23

FREE shipping

go to store
Mattress Solution SA4100z-6/0-3s 8" Assembled Split Box Mattress, California King, Spring Air Colletion

Mattress Solution SA4100z-6/0-3s 8" Assembled Split Box Mattress, California King, Spring Air Colletion

EASY TO CARRY: Box spring comes split in two to easily pass through narrow hallways & doors STRONG AND STURDY: made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the... more

$225.30

FREE shipping

go to store
Mattress Solution 8" Assembled Semi Flex Split Box Foundation for Mattress, Spring Air Colletion, King, Size

Mattress Solution 8" Assembled Semi Flex Split Box Foundation for Mattress, Spring Air Colletion, King, Size

EASY TO CARRY: Box spring comes split in two to easily pass through narrow hallways & doors STRONG AND STURDY: RSAs prefer selling steel foundations because they're stronger WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses NO... more

$307.34

FREE shipping

go to store
Mattress Solution SA4100z-6/6-3sflp 5" Assembled Semi Flex Box Mattress, King Size, Spring Air Colletion

Mattress Solution SA4100z-6/6-3sflp 5" Assembled Semi Flex Box Mattress, King Size, Spring Air Colletion

STRONG AND STURDY: RSAs prefer selling steel foundations because they're stronger WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses NO ASSEMBLY REQUIRED: Shipped fully assembled and ready to use, open the box and the mattress is... more

$270.72

FREE shipping

go to store
Mattress Solution SA4100z-6/6-3sfs 8" Assembled Semi Flex Split Box Mattress, King Size, Spring Air Colletion

Mattress Solution SA4100z-6/6-3sfs 8" Assembled Semi Flex Split Box Mattress, King Size, Spring Air Colletion

EASY TO CARRY: Box spring comes split in two to easily pass through narrow hallways & doors STRONG AND STURDY: RSAs prefer selling steel foundations because they're stronger WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses NO... more

$322.14

FREE shipping

go to store
Mattress Solution SA4100z-6/6-3s 8" Assembled Split Box Mattress, King, Spring Air Colletion

Mattress Solution SA4100z-6/6-3s 8" Assembled Split Box Mattress, King, Spring Air Colletion

EASY TO CARRY: Box spring comes split in two to easily pass through narrow hallways & doors STRONG AND STURDY: made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the... more

$326.62

FREE shipping

go to store
Mattress Solution SA4100z-6/6-3 8" Assembled Box Mattress, California King, Spring Air Colletion

Mattress Solution SA4100z-6/6-3 8" Assembled Box Mattress, California King, Spring Air Colletion

STRONG AND STURDY: made from strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the mattress in perfect shape WORKS WITH ALL MATTRESSES: this box spring is good for all mattresses... more

$206.04

FREE shipping

go to store
Classic Brands Mercer Pillow Top Cool Gel Memory Foam and Innerspring Hybrid 12-Inch Mattress with Adjustable Comfort Adjustable Bed Base, King

Classic Brands Mercer Pillow Top Cool Gel Memory Foam and Innerspring Hybrid 12-Inch Mattress with Adjustable Comfort Adjustable Bed Base, King

Gel infused memory foam disperses body heat and creates a more comfortable sleeping surface layer combine with comfortable orthopedic support foam for a deeper night's sleep Mattress dimensions – 80" L x 76” W x 12" H | Feel – Firm | 13-gaugge steel... more

$1,339.98

go to store
Classic Brands Cool Gel 2.0 Chill Memory Foam 14-Inch Mattress with Adjustable Comfort Adjustable Base and 2 BONUS Pillows, King

Classic Brands Cool Gel 2.0 Chill Memory Foam 14-Inch Mattress with Adjustable Comfort Adjustable Base and 2 BONUS Pillows, King

Dimensions: 76" W x 80" L x 14" H Beautifully tailored and detailed with a stretch knit fabric cover with waterfall edge and matching knit side panels Whisper quiet base with separate ergonomic head and foot elevations; programmable settings for... more

$1,159.98

FREE shipping

go to store
Classic Brands Mercer Pillow Top Cool Gel Memory Foam and Innerspring Hybrid 12-Inch Mattress with Adjustable Comfort Adjustable Bed Base, Split King (2 TXL Mattresess w/2 TXL Bases)

Classic Brands Mercer Pillow Top Cool Gel Memory Foam and Innerspring Hybrid 12-Inch Mattress with Adjustable Comfort Adjustable Bed Base, Split King (2 TXL Mattresess w/2 TXL Bases)

Gel infused memory foam disperses body heat and creates a more comfortable sleeping surface layer combine with comfortable orthopedic support foam for a deeper night's sleep Mattress dimensions – 80" L x 78” W x 12" H | Feel – Firm | 13-gaugge steel... more

$1,533.36

go to store
Classic Brands Cool Gel Memory Foam 14-Inch Mattress with Two Bonus Pillows and Adjustable Comfort Adjustable Bed Base, King

Classic Brands Cool Gel Memory Foam 14-Inch Mattress with Two Bonus Pillows and Adjustable Comfort Adjustable Bed Base, King

Premium pressure-relieving memory foam and high-density aerated cool gel memory foam are combined together to provide the essential support and comfort for a deeper night's sleep Gel infused ventilated memory foam creates a plush and comfortable... more

$1,448.68

FREE shipping

go to store
Sealy Reflexion 4 Adjustable Base, Twin XL/Split King (Purchase Two Foundations to Complete a King Mattress Set)

Sealy Reflexion 4 Adjustable Base, Twin XL/Split King (Purchase Two Foundations to Complete a King Mattress Set)

Reflexion 4 Adjustable Base lets you control virtually unlimited ergonomic positions to raise your head and feet or both for ultimate relaxation 3 pre-programmed memory settings: Zero Gravity Mode, which raises head and legs, Lounge Mode, which raises... more

$1,235.26

FREE shipping

go to store
Leesa King Whisper Quiet Motorized Adjustable-Mattress Base, Customize your Sleeping Position and Bed Height, Gray/Black

Leesa King Whisper Quiet Motorized Adjustable-Mattress Base, Customize your Sleeping Position and Bed Height, Gray/Black

Customize your sleep experience: Our adjustable base gives you unlimited configurations for your comfort and accommodates a Leesa or sapira mattress. No bed frame or existing foundation required with the base. Pressure relief at the push of a button:... more

$1,366.22

FREE shipping

go to store
Leesa California King Whisper Quiet Motorized Adjustable Mattress Base, Customize your Sleeping Position and Bed Height, Gray/Black

Leesa California King Whisper Quiet Motorized Adjustable Mattress Base, Customize your Sleeping Position and Bed Height, Gray/Black

Customize your sleep experience: Our adjustable base gives you unlimited configurations for your comfort and accommodates a Leesa or sapira mattress. No bed frame or existing foundation required with the base. Pressure relief at the push of a button:... more

$1,683.61

FREE shipping

go to store
LUCID Mattress Elevator Base - Affordable Adjustable Base Alternative - 7-Inch Lift - Naturally Reduces Acid Reflux, King

LUCID Mattress Elevator Base - Affordable Adjustable Base Alternative - 7-Inch Lift - Naturally Reduces Acid Reflux, King

The LUCID Mattress Elevator Base is an affordable alternative for an adjustable base Position the thicker side of the elevator at a 90-degree angle flush with your bed and headboard (or wall if you don’t have a headboard) Sleeping with your head... more

$152.79

FREE shipping

go to store
Classic Brands Comfort Upholstered Adjustable Bed Base with Massage, Twin XL, Black & Brands Cool Gel Bed Mattress Conventional, King, White

Classic Brands Comfort Upholstered Adjustable Bed Base with Massage, Twin XL, Black & Brands Cool Gel Bed Mattress Conventional, King, White

38" W x 79" L x 15" H Enjoy lifestyle and health benefits with the Adjustable Comfort Adjustable Bed/Ergonomic Bed with programmable elevation positions, head and foot massage, USB ports, and wireless remote Whisper quiet adjustable bed base with... more

$1,009.73

go to store
Greaton, 10-Inch Pocketed Coil Rolled Medium Plush Mattress for Adjustable Bed, Twin XL Size/Half King

Greaton, 10-Inch Pocketed Coil Rolled Medium Plush Mattress for Adjustable Bed, Twin XL Size/Half King

MATTRESS INFO : Medium Plush mattress with high-density foam comfort and pressure relieving support for a better night's sleep. QUALITY : Foam mattress has quilted cover for added comfort. SHIPPED FULLY ASSEMBLED AND READY TO USE : Compressed, rolled,... more

$225.49

FREE shipping

go to store
LUCID 10-Inch Latex Hybrid Mattress - King & L300 Bed Base 5 Minute Assembly Adjustable, Twin XL, Charcoal

LUCID 10-Inch Latex Hybrid Mattress - King & L300 Bed Base 5 Minute Assembly Adjustable, Twin XL, Charcoal

Product 1: Your purchase includes One LUCID 10-Inch Latex Hybrid Mattress - King Product 1: Product dimensions: 76" W x 80" L x 10" H Product 1: Compatible with Box Spring, platform, metal grid, slatted and adjustable bed bases Product 1:... more

$932.48

FREE shipping

go to store
Sealy Coral Bay Medium Firm Mattress, King with Reflexion 4 Adjustable Base

Sealy Coral Bay Medium Firm Mattress, King with Reflexion 4 Adjustable Base

The Coral Bay incorporates a 7-inch high-density foam core with 1-inch of Gel memory foam and 2 additional inches of memory foam for lasting comfort and support A gentle foam feel, covered in stretch knit fabric for long-lasting comfort 7-inch polycore... more

$3,511.56

FREE shipping

go to store
LUCID 10 Inch Medium Gel Memory Foam Mattress and LUCID L300 Adjustable Base (King)

LUCID 10 Inch Medium Gel Memory Foam Mattress and LUCID L300 Adjustable Base (King)

This mattress features a 10-inch MEDIUM-PLUSH feel profile for universal comfort for side, back, and stomach sleepers Gel infused memory foam regulates temperature while conforming to the body to ease pressure points Compressed, rolled, and shipped in... more

$1,134.97

go to store
LUCID L300 Adjustable Bed Base with LUCID 12 Inch Memory Foam Hybrid Mattress - King

LUCID L300 Adjustable Bed Base with LUCID 12 Inch Memory Foam Hybrid Mattress - King

Base: First-ever folding hinge makes shipping more affordable; easy assembly takes less than 5 minutes from box to bed; no expert assembly needed Base: Independent head incline: 0 - 60 degrees, foot incline 0 - 45 degrees; dual USB charging stations on... more

$1,314.97

FREE shipping

go to store
LUCID L600 Adjustable Bed Base with LUCID 12 Inch Memory Foam Hybrid-Mattress - Split King

LUCID L600 Adjustable Bed Base with LUCID 12 Inch Memory Foam Hybrid-Mattress - Split King

Features independent head incline and foot incline; TV, Read, Anti-Snore, Zero Gravity, and Memory positions are all preset Bluetooth compatibility with the Lucid Base App makes controlling and customizing your adjustable base simple; wireless remote... more

$1,799.96

FREE shipping

go to store

More information about Mattresses & Boxsprings

Best prices on Adjustable air mattress king in Mattresses & Boxsprings online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.