Great all around
RVMattress.comSignature Hybrid
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
$1,465Olympic Queen - 66x80 · list priceSee price
Keystone Bullet 208MKS mattress size
Main bed66 × 80 inOlympic queen
That's an Olympic queen, 6 in wider than a regular queen. RV mattress sellers stock it; a regular queen would leave 6 in of platform bare.
Keystone spec page, 2027.
Mattresses in 66 × 80 in
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Best value
RVMattress.comCopperFlex Essential
- All-foam
- 6 in thick
- five comfort options
$799Olympic Queen - 66x80 · list priceSee price
Firm
RVMattress.comPlank Firm Luxe
- Hybrid
- 13 in thick
- Firm / Extra Firm
$1,865Olympic Queen - 66x80 · list priceSee price
Cooling
RVMattress.comAurora Luxe Cooling
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress for Temperature Regulation Read review
$1,999Olympic Queen - 66x80 · list priceSee price
RV hybrid
RVMattress.comCopperFlex RV Hybrid
- Hybrid
- 10 in thick
- Medium-Firm
$799Olympic Queen - 66x80 · list priceSee price
Custom size
Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
Made to 66 × 80 inGet a quote
The Bullet bedroom. Measure the platform, not the old mattress, before you buy.
The 208MKS floorplan
Keystone's 2027 208MKS floorplan.
Is this your 208MKS?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2026 | Bullet Crossfire 208MKS | – | 4 |
| 2027 | Bullet Crossfire 208MKS | 24 ft 11 in | 4 |
Other Bullet mattress sizes
Sources
- Keystone (keystonerv.com): https://www.keystonerv.com/product/bullet-crossfire/comfort-travel-trailers/floorplans/208MKS
Questions
What size mattress is in the Keystone Bullet 208MKS?
The main bed is 66 × 80 in (Keystone spec page, 2027).