Thought you couldn't have a backpack tough enough to go from the train to the trailhead? Think again. The Crossroads 27L pack yearns for a detour from your daily routine. Made from 700 Denier, water and abrasion-resistant TuffSkin Nylon, this bag makes no compromise. It's built with a large main compartment, two Rambler Bottle Pockets, and open wide for easy loading and unloading. | YETI 27L Crossroads Backpack in Green | Size 27 L