Forest River XLR 363B mattress size

Mattresses in 70 × 74 in

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Top pick

RVMattress.comSignature Hybrid

• Hybrid
• 13.25 in thick
• Soft / Medium / Firm

Sleep Foundation: Best Mattress Overall Read review

$1,865RV King - 70x74 · list priceSee price

Best value

RVMattress.comCopperFlex Essential

• All-foam
• 6 in thick
• five comfort options

$799RV King - 70x74 · list priceSee price

Reviewers' favorite

RVMattress.comAurora Luxe Cooling

• Hybrid
• 13.25 in thick
• Soft / Medium / Firm

Sleep Foundation: Best Mattress for Temperature Regulation Read review

$2,465RV King - 70x74 · list priceSee price

Best hybrid

RVMattress.comCopperFlex RV Hybrid

• Hybrid
• 10 in thick
• Medium-Firm

$1,065RV King - 70x74 · list priceSee price

Best all-foam

RVMattress.comPlank Firm

• All-foam
• 10 in thick
• Firm / Extra Firm

Mattress Clarity: Best RV Mattress for Heavy People Read review

$1,532RV King- 70x74 · list priceSee price

Custom size

Mattress InsiderPark Meadow Encased Coil II

• Hybrid
• 8 in thick
• cushion-firm

Sleep Foundation: Best Mattress for Pressure Relief Read review

Made to 70 × 74 inGet a quote

The XLR bedroom. Measure the platform, not the old mattress, before you buy.

The 363B floorplan

Forest River's 2024 363B floorplan.

Is this your 363B?

Check the year and length against your RV before you order.

Other XLR mattress sizes

Sources

1. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20250624075632/https://www.forestriverinc.com/rvs/xlr-boost/363B/9302
2. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20240119151812/https://www.forestriverinc.com/rvs/ImageHandler/260911/2024_XLR%20Boost%20363B%20copy.webp

Questions