2016 Arctic Fox 29L Silver Fox Upgrades Everywhere Featured here is the 29L Silver Fox Edition Arctic Fox. A true 4 season coach, built to withstand all climates. Even sub zero weather. Heated enclosed holding tanks and Superior insulation and construction is what separates the Fox from all others. Real quality is visible everywhere you look. When only the best will do. Go with the Fox. The one experienced RVers come back for again and again !