23Zero Arch Dome Swag Fly23Zero Arch Dome Swag Fly (Swag NOT Included) Keeping you warmer in winter and cooler in summer the 23 Zero Arch Dome Swag Fly provides added climate control characteristics to your swag set up. Being reversible the peaked awning at one end provides a sheltered doorway and allows room for your gear and or pets. The opposite side features a zip down storm cover allowing for an alternative entry or exit to your swag. The Arch Dome Fly simply attaches to