New for 2012! For general hiking, travel and fitness, the NitroTLS (Technical Lumbar System) is designed to stash all of the bare essentials that you can't imagine leaving home without. Made from Reforge recycled PET body fabric (100% Recycled) and high tenacity nylon in key wear areas to up the ante on performance. Updates for 2012 include dedicated internal iPhone sleeve and increased ergonomic fit with Mountainsmith's Lumbar Control Point pad. Hit the trail in comfort and style.