A full lineup of packs to meet any thru-hiking style. The SL40 is a solid choice for a traditional thru-hiking pack and will be the best choice for most people seeking a superlight framed pack. If you're looking for something with an adjustable torso and more attachment options, we recommend the Long Haul. Our Superior frameless packs are for dialed kits and moving fast. The Wolverine for when you need extra comfort or additional storage capacity.