Im about to pick up a HG 4 season. Love the weight and the doors. My question is are you all using these in the summer as well? Or how are you rolling the doors upfor a good air flow in the hotter months. Is there a cottage that makes cuben hex tarps for 3 season. At 6.5oz it beats my WBBMJ but Im a gear head and just know Ill have to have two cuben tarps, or is thay just silly? Appreciate your input.