Condensation is basically what happens when cold tent fabric meets warm, humid air inside your shelter. In this video I break it down into the two levers you can actually control: the humidity inside the tent and the temperature difference between inside and outside. Less humidity + less temperature difference = less condensation. Simple idea, but it’s amazing how many people fight the symptoms instead of the cause. I go through 10 practical tips that actually work on trail. It starts with choosing the right shelter (double-wall vs single-wall), plus sizing and wall angle so you’re not rubbing your quilt or head against wet fabric. Then I get into campsite selection: trees create a slightly warmer, less humid microclimate; valleys are cooler and wetter; ridges are exposed and cold; and camping near water usually means more humidity. After that it’s all about airflow and habits—leave vestibules open when you can, don’t block the gap with your pack, pitch the tent correctly so vents actually vent, don’t cook inside, and don’t hang wet clothes in the tent. Finally, I cover “managing” condensation when you can’t eliminate it: guylines to reduce slack, waterproofing down so it doesn’t collapse if it gets damp, airing the tent out every morning, and using a small microfiber towel to wipe the leftovers. Also… if you’re in a single-wall tent and mouth breathing all night, what are you even doing bro?