The Sierra Designs Fast Pack Footprints™ add function, durability, and versatility to any of our tents. You can use them to greatly increase the life of their tent’s floor. Footprints will protect your Sierra Designs Tent from dirt, gravel and sharp objects. If mild weather or a particular trip demands a fast-and-light approach, then try “Fast Pack Mode” using just the Fast Pack Footprint™ with the rainfly and poles to make an ultralight shelter. On average, it accounts for a weight savings of 30%.