Product details:

Introducing the Granite Gear Lutsen series, a highly technical, easily adjustable, mutli-day pack series that allows you to go where you gotta go. The Lutsen Series packs offer a large capacity and our innovative Re-Fit air current suspension system that boasts Re-Fit fully adjustable torso length, and Re-Fit fully adjustable hip belt. So go ahead, get a custom fit! The Lutsen 45 and 55 are just the right size for going fast and light. Traditional top loading design with a roll top closure and lid.