I’m planning a backpacking trip and would like to bring my bump helmet and NV along to do some hiking at night, I’m most likely going to get a mystery ranch stick it to carry my helmet on the pack during the day. But my concern is that I think a lot of backpacking packs will interfere with the back of my helmet when wearing it and the pack. I currently have a mystery ranch 2DAP and the top of the pack sits low enough where it doesn’t interfere with my helmet but the pack is on the smaller side and I don’t think I’ll be able to carry everything I need. I’m looking at the mystery ranch Terraframe 50 but I can’t tell if the pack is gonna be too tall. I’m wanting to get something around the 50 liter range but am having a hard time finding something that will work. Any advice or suggestions would be greatly appreciated.