Does it fit in a Rivian R1s
MegaMat Auto
Does it fit in a Rivian R1s
Status:
Open Feb 26, 2026 - 12:00 PM
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Answer
Feb 26, 2026 - 12:00 PM
The MegaMat Auto is 77.6” long and 52” at its widest point at the “top”. At the lower portion of the pad, the width is 39”, providing room to work around most wheel wells. A stuff sack and a “top off” inflation pump are included.
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MegaMat Auto
Constructed to provide soft, pressure-relieving support : The mattress avoids the dreaded “bottoming out” of lesser pads with 4” of high-quality open cell foam. Air channels are cored out of the foam to not only aid in inflation and deflation but to trap warm air to enhance warmth. Vertical sidewall...
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