The Hatchet Camper will handle high winds and a snow load. The side tent walls are not insulated, but the rest of the camper has more insulation than most campers on the market.  The camper's roof has a 3/8" layer of foam sandwiched in the fiberglass. There is also a quarter inch of headliner that traps some air and helps to prevent condensation. The bed platform has 3/4" of foam. The Exped Megamat has an R-value of 9.5. Jeep campers will find that all these things add up to a camper that sleeps much warmer than a rooftop tent.