What the F are these things made out of!? Durable & insulated - Freedom Campers are made to be your mobile basecamp on hunts, chilly campouts, and anywhere the adventure itch takes you! • All-season ready: Insulated for cold weather • Lightweight: ~180 lbs; easy to load/unload with 2 people • Versatile fit: Mounts in truck beds or trailers • Multiple sizes: Choose the fit for your truck and gear • Truck-friendly: Works with mid/full-size trucks • Customizable: Add roof racks, solar, ventilation,