Fox Frontier X Deluxe Extension Fishing System, Looking for a little extra space in your Fox Frontier shelter? Look no further than the Fox Frontier X Deluxe Extension Fishing System! This great extension is available in a range of options to cover the entire Frontier bivvy range, giving you a huge undercover porch or staging area outside your main shelter. Whether you're cooking up a feast or just hanging out with friends, the Fox Frontier X Deluxe Extension Fishing System is perfect for giving you that extra bit of space. So don't miss out - get your hands on one today!