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Pick one or more traits above and we will show the strengths and watch-outs that matter for this mattress.
Choose Summit RV when side-sleeper cushioning, partner isolation, and usable edge width justify the top Douglas foam price. Alpine RV preserves much of the performance at a lower price. Measure the platform exactly, and consider an RV hybrid if stronger stomach-sleeper lift or coil airflow matters more than the calm foam feel.
The matching 12-inch construction scored 10/10 for pressure relief, with 1.85–1.93 inches of sinkage over 5 inches of upper foam. Summit RV publishes the same layer recipe.
The measured construction allowed 1.85–1.93 inches of sinkage over a 7-inch support core. That balance favors back and side sleeping more than strict higher-weight stomach sleeping.
Peak-to-peak acceleration measured 5.14–5.36 m/s² on the matching Summit construction. The all-foam layers absorbed impact quickly, producing exceptionally low transfer that is especially valuable when two sleepers share the narrower width of an RV mattress.
A fixed 12 lb load creates the impact while an accelerometer records the movement that crosses the mattress.
Cooling testing on the matching construction scored 9/10. The final score accounts for the cool-to-touch cover, gel foam, Polar material, 1.85–1.93-inch sinkage, and solid foam airflow ceiling.
The matching construction measured 2.69–2.81 inches of sitting compression and retained excellent stability while lying near the side. That combination preserves more usable sleeping width without making the perimeter uncomfortably rigid for seated use.
We measure seated compression, then check how secure the surface remains while lying directly along the edge.
The matching construction mostly recovered in 0.196–0.204 seconds and fully recovered in 0.39–0.41 seconds. Bounce measured 6.11–6.35 inches, creating a calm but easy-moving feel.
The 12-inch build combines 5 inches of comfort and transition foam with a 7-inch support core. Incomplete density disclosure keeps long-term confidence below the top tier.
The score uses the policy terms shown in the Fine Print Check below. Models governed by the same terms use the same policy inputs.
The foam layers are intended to absorb movement before it travels.
The matching construction measured 5.25 m/s² peak-to-peak acceleration.
Motion control is exceptional for couples sharing a compact RV mattress.
Summit has the deepest comfort system in the Douglas all-foam RV lineup.
The matching 5-inch upper stack scored 10/10 in pressure-relief testing.
It is the strongest Douglas RV foam option for side-sleeper cushioning.
The cover, gel foam, and Polar material provide three cooling mechanisms.
The matching construction scored 9/10 in cooling testing.
Cooling is strong for foam, though a hybrid remains more open internally.
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Douglas confirms the current 12-inch layer recipe, RV dimensions, prices, Canadian manufacture, washable cooling cover, 365-night trial, 15-year warranty, and remote-area shipping caveat. The published layers match the full-size Summit measured by Sleepiverse.
Douglas confirms the current 12-inch layer recipe, RV dimensions, prices, Canadian manufacture, washable cooling cover, 365-night trial, 15-year warranty, and remote-area shipping caveat. The published layers match the full-size Summit measured by Sleepiverse.
Current construction, dimensions, prices, policies, availability, and care instructions.
Matching full-size construction used for the measured performance assessment.
Returns are available between nights 21 and 365 with pickup and a full refund
The long window allows evaluation across varied travel temperatures.
Summit RV carries a 15-year limited warranty
Older 20-year references no longer describe the current product coverage.
Shipping is free to most Canadian households; remote fees may apply
Confirm campground, rural, and territorial delivery cost before checkout.
Model checkedJul 16, 2026Current model
Configuration evaluatedRV Short Queen · 12 inches · Medium-firm 6.5/10
Price checkedJul 16, 2026
Douglas CoolSense coverMachine-washable Infinitex fabric with CryoFusion cooling nanofibres · Top
The cool-to-touch removable cover manages moisture and can be machine washed. As the surface textile, it chiefly affects the initial hand feel, moisture movement, and how readily heat leaves the sleeper; it supplies little of the mattress's deep support.
Why it matters: Across the Douglas Summit RV Mattress, cooling testing scored 9/10. Treat the cover as one part of thermal comfort rather than proof that the mattress will stay cool for every sleeper.
ecoLight cooling gel foamGel-infused polyurethane foam with Polar phase-change material · Comfort
2.5 inchesThe deepest Douglas RV comfort layer supplies contour and surface temperature balancing. This foam distributes load through the comfort stack. Its position, thickness, and firmness matter more than a gel infusion or branded name alone when judging contour and support.
Why it matters: For the Douglas Summit RV Mattress as a whole, pressure-relief testing scored 10/10. Near the surface it contributes more cushioning; deeper in the mattress it primarily moderates the transition into the support core.
Premium Elastex foamResponsive latex-like polyurethane foam · Transition
2.5 inchesElastex adds cushioning and fast recovery without natural latex. This layer buffers the sleeper from the firmer support core and controls how gradually resistance increases as the body sinks deeper.
Why it matters: In the finished Douglas Summit RV Mattress, sinkage measured 1.89 inches. It becomes especially important for higher-weight sleepers and back or stomach sleepers, who engage more of the mattress depth than lighter sleepers.
Motion Isolation Support FoamHigh-density polyurethane foam · Core
7 inchesThe base supplies primary support, motion damping, and perimeter stability. This foundation resists deep compression and keeps the comfort layers working on a stable plane; it is not intended to provide the mattress’s initial plushness.
Why it matters: Across the Douglas Summit RV Mattress, excellent edges indicate a stable initial support profile. Its thickness and material quality are more relevant to long-term shape retention and bottoming-out resistance than to surface softness.
Premium all-foam RV model: You want the deepest cushioning and strongest pressure relief in the Douglas foam RV lineup.
Choose if: You want to spend less while keeping strong cooling and pressure relief.
Watch out: Its upper foam stack is half an inch thinner and tested pressure relief is lower.
Read reviewChoose if: You want the least expensive Douglas RV option and a slightly firmer, shallower feel.
Watch out: It has less cushioning and no Polar temperature-balancing material.
Read reviewChoose if: You need residential dimensions rather than an RV cut.
Watch out: Standard sizes may not fit an RV platform.
Read review