b'2023 OTTER OUTDOORS LEGENDARY SLEDS & SHELTERS XT PRO X-OVERFront, side and rear access doors with dual coil zippersSHELTERS USA rotomolded Otter Pro sled with molded-in hitch pocketsCross-link seating system with folding swivel seats(Except for 3-seat system on the Resort model)Patented Otter ThermalTec triple layer fully insulated shell 1,200-denierPatent #10,145,139Patented Quick Switch Frame SystemPatent #10,676,955EZ lock assembly'