My TarpTent is the Hogback which has an inner netting, so maybe other responses would be better. I will say, when I set up my Hogback a lot of tension is used to make a beautiful pitch. My oldest is now a teenager and this past week we were pushing the limits of the tent with my family of four. The zippers on the netting were clearly under tension, but it is a well designed tent and that tension is spread through out the netting. I've seen no indication of failure. Henry Shires seems to know what he is doing (and he doesn't change his designs every season like bigger tent manufacturers.