The Flow models work without hard shells and are therefore lightweight, extremely comfortable to wear, super thin and compact. As the name implies, this version is equipped with a FlexZipTM elastic zipper system, making it easier to put on and take off. The schooners developed together with bike legend Hans Rey are so compact that they fit into any backpack. The integrated Xmatter TM upholstery concept offers correspondingly high absorption and protection. With the Flow ZIP, further features such as removable padding and a meticulously reworked AeroMesh TM of the newest generation with better comfort properties and lasting strength.