The best things to see out there aren’t always on a map. But before you range into uncharted territory, be sure to pack fleece pants prepared for anything. Boundary Line’s fleece interior holds enough heat to ward off the chill in stop/start trekking. With a durable, smooth exterior that prevents snow from clinging to it. Plus it packs four-way flexibility, so you’re never left in a bind when the terrain gets iffy.