The best price found for Outwell San Diego Freeway Footprint Groundsheet was £29.49. The average lowest price for the last 30 days was £29.49. With the lowest price over the last 30 days being £29.49. Prices were last updated on Tuesday, April 23, 2019*. San Diego Freeway Footprint Groundsheet 2014 Smart Air Touring Collection by Outwell These handy Outwell Footprint Groundsheets will keep the bottom of your tent clean and help protect it from abrasion as well as damage. It also helps insul.