RV 3/4 & RV Double Size - Polar RV Mattresses

Find the perfect solution for your unique space with our collection of RV 3/4 and RV Double Size Polar RV Mattresses. Stop struggling with sizes that don't quite fit! We specialize in providing the signature comfort and support of a Polar mattress, specifically tailored for the RV three-quarter and double bed dimensions. Ideal for vintage campers and modern rigs with custom layouts, this collection ensures you get a perfect fit and a deeply restful night's sleep on every single trip.

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

12" Cooling RV Mattress in RV King, RV Twin, RV 3/4, RV Queen - Pocket Coil Pillow Top with Cool Gel Memory Foam

From $849.99 $1,049.99

4.9

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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

10" Cooling RV Mattress in RV King, RV Full, RV Twin, RV 3/4, RV Queen - 10" HD Foam with Conductive Cooling Memory Foam.

From $799.99 $999.99

Save 8%

Rv Mattress 6 Inch Memory Foam Polar Pup Cute Stuffie

Polar RV Mattress

RV Mattress in RV King, RV Queen, RV Full, RV Twin, RV 3/4 - 6" HD Memory Foam with Conductive Cooling - PUP by Polar RV Mattress

From $549.99 $599.99

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Polar RV Mattress

RV 3/4 Three Quarter Cooling 6" Memory Foam Mattress 48" x 74" - 75" - PUP by Polar RV Mattress

$599.99 $649.99

4.0

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Polar RV Mattress

RV 3/4 Three Quarter Hybrid Mattress 12" Memory Foam Pillow Top Mattress 48" x 74" - MA by Polar RV Mattress

$899.99 $1,099.99

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Polar RV Mattress

RV 3/4 Three Quarter Cooling 10" Memory Foam Mattress 48" x 74" - 75" - CUB by Polar RV Mattress

From $799.99 $999.99

5.0

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Polar PA luxury RV mattress with 2400 pocket coils and memory foam shown in an RV bedroom with a polar bear on top.

Polar RV Mattress

15" Cooling RV Mattress in RV King, RV Twin, RV Full 3/4, RV Queen with 2400 Pocket Coil Count Luxury Box Top

From $2,249.99 $2,699.99

Save 17%

Polar RV Mattress

RV 3/4 Three Quarter Cooling 15" 2400 Nano on Coil Pillow Top Mattress 48" x 74"- PA by Polar RV Mattress

From $2,249.99 $2,699.99

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.

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Shop the MA Collection

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

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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.

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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.