Fox Frontier XD Deluxe Extension Fishing System, Looking for a way to increase the internal usable space in your Fox Frontier shelter? Look no further than the Frontier XD Deluxe Extension Fishing System! This great extension is available in a range of options that cover the entire Frontier bivvy range, giving you a huge undercover porch or staging area outside your main shelter. Perfect for cooking and socialising, the Frontier XD Deluxe Extension is a must-have for any serious camper or angler. Order yours today and make the most of your outdoor adventures!