The Granite Gear Vapor Trail Backpack is the next step for the ultralight backpacker who has their pack weight down to 30 pounds or less. The Vapor Trail uses a high-density polyethylene frame that helps distribute the load evenly over your back and onto your hips. With well padded fixed shoulder straps and a padded ultralight packer hip belt, the Vapor Trail maintains the comfort you need in the backcountry. By elimiating the lid, the Vapor Trail saves weight with it's fully functional roll top loading design. This Granite Gear pack is fully hydration compatible with an internal sleeve and port. The Granite Gear Vapor Trail Backpack is an exceptionally comfortable pack for thru-hiking.