Here at Backpacker, we’ve always relied on expert field-testing for our gear reviews. But sometimes, we want to really nerd out over data. Which rain shell can withstand a downpour? And do any of them ...

There's nothing worse than planning a hike and waking up to realize the forecast is calling for cloudy skies and rain. Just like that, your day is ruined. But what if an overcast sky doesn't mean your ...