"The North Face Exploration Zip-Off Pants are designed for trips where every gram counts and every item must earn its place in your backpack. Made from a durable, stretchy nylon-spandex blend, they reliably withstand the daily demands of hiking while offering plenty of freedom of movement. The cut is loose around the thighs and tapers toward the ankles, with a regular waist and a slightly higher back panel for greater comfort when moving. Their biggest advantage is their versatility: in the morning, you roll them up for ventilation