If you pitch a tarp right it is the best 4 season shelter for 4 people. A square tarp with 4 corner pegs and 4 42"corner42" (11 dm) corner poles and a chimney center pole is the best 4 season shelter. Tight to the ground all the way around on cold windy days all 4 sides open on hot days, All cooking done inside on a solid fuel cook stove weighing no more than 1.5 lbs (0.7 kg). Each man sleeps in a bug proof bivy.