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.

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.

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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

Oct 26, 2026
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RV Hybrid Review: Is It Worth the Upgrade?

An RV hybrid review for travelers who want cooler nights, better back support, and a true RV fit without settling for another thin stock mattress today.