Thought you couldn't have a backpack tough enough to go from the train to the trailhead? Think again. The Crossroads® 27L Yeti Backpack yearns for a detour from your daily routine. Made from 700 Denier, water and abrasion-resistant TuffSkin™ Nylon, this bag makes no compromises. It’s built with a large main compartment, two Rambler® Bottle pockets, and opens wide for easy loading and unloading. Pro tip: When you’re traveling, secure your pack to the top of your roller with the luggage pass-through sleeve.