RV King Size - Polar RV Mattress

Experience the ultimate sleep luxury on the road with our RV King Size Polar RV Mattress collection. Why compromise in your master bedroom? Our mattresses provide the spacious comfort of a king bed, specifically engineered to fit the unique dimensions of your motorhome or camper. Each RV King mattress delivers premium, pressure-relieving support for deep, rejuvenating rest. Upgrade your travels and transform your RV into a five-star sleep sanctuary with the perfect-fitting, supremely comfortable mattress you deserve.

4.7

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Polar MA RV mattress with pocket coil support and memory foam comfort, shown in an RV bedroom with a polar bear resting on the mattress.

Polar RV Mattress

RV Short King 70"x 80" Mattress 12" Hybrid Memory Foam Pillow Top Mattress 70" x 80" - MA by Polar RV Mattress

$1,349.99 $1,649.99

5.0

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Polar RV Mattress

RV King Mattress 72" x 80" Hybrid 12" Memory Foam Pillow Top Mattress 72" x 80" - MA by Polar RV Mattress

$1,349.99 $1,649.99

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Polar RV Mattress

RV Short King 72"x74" Mattress 12" Hybrid Memory Foam Pillow Top Mattress 72" x 74" - MA by Polar RV Mattress

$1,349.99 $1,649.99

5.0

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Polar RV Mattress

RV King Short Mattress 70"x74" Cooling Hybrid 12" Memory Foam Pillow Top Mattress 70" x 74" - MA by Polar RV Mattress

$1,349.99 $1,649.99

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Polar CUB 10-inch RV mattress with HD memory foam and cooling comfort, shown in an RV bedroom with two playful polar bear cubs on the mattress.

Polar RV Mattress

RV King Size 72" x 80" RV Mattress - 10" Thick Polar RV "CUB" Mattress for Short King Application

$1,349.99 $1,649.99

5.0

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Polar RV Mattress

70" x 80" RV King Mattress Cooling 10" Memory Foam Mattress 70" x 80" - CUB by Polar RV Mattress

$1,349.99 $1,649.99

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Rv Mattress 6 Inch Memory Foam Polar Pup Cute Stuffie

Polar RV Mattress

RV King Size 72" x 80" RV Mattress - 6" Thick Polar RV "PUP" Mattress for Short King Application

$999.99 $1,149.99

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Polar RV Mattress

72" x 74" RV King Short King Cooling 6" Memory Foam Mattress 72" x 74" - PUP by Polar RV Mattress

$999.99 $1,149.99

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Polar RV Mattress

72" x 80" RV King Mattress Cooling 6" Memory Foam Mattress 72" x 80" - PUP by Polar RV Mattress

$999.99 $1,149.99

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Polar RV Mattress

72" x 80" RV King Mattress Cooling 10" Memory Foam Mattress 72" x 80" - CUB by Polar RV Mattress

$1,349.99 $1,649.99

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Polar RV Mattress

72" x 74" RV King Short King Cooling 10" Memory Foam Mattress 72" x 74" - CUB by Polar RV Mattress

$1,349.99 $1,649.99

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Shop the PUP Collection

Experience a 6" Slim-Profile Hyper Cooling Mattress built for low-clearance RV spaces. Black ICE Yarn and conductive cooling memory foam in Polar's most compact profile.

Shop PUP

Shop the CUB Collection

Experience a 10" Thick Hyper Cooling Mattress with Black ICE Yarn and graphite foam core technology.

Shop CUB

Shop the MA Collection

Experience a 12" Thick Conductive Cooling Mattress with Black ICE Yarn and graphite foam core technology.

Shop MA

Shop the Pa Collection

Experience a 15" Thick Conductive Cooling Mattress with Black ICE Yarn and graphite foam core technology. Best-in-class 2400 Coil Count Nano on Quantum Coils.

Shop Pa

Polar RV Mattress Buying Tips

Sep 10, 2026
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When to Replace RV Mattress and What to Buy

Ready to replace RV mattress? Learn when stock foam fails, how to measure your RV bed, and what delivers cooler, stronger support for every single trip.