Today on the First 40 Miles, backpackers spend their time in the backcountry, but your first outdoor experiences were probably in the frontcountry. We’ll explain the difference! Then on today’s Top 5 List, you’ll learn the key factors for making perfect popcorn on the trail—a skill that we don’t take lightly. On the SUMMIT Gear Review, we’re trying a twist on the classic Buff. Next on the Backpack Hack of the Week, learn a simple first aid hack that will change the way you look at your fast food garbage.