The Black Diamond Perch Double Expedition Fly is a rugged and versatile fly that can be used to protect the Perch Double Portaledge from rain, wind, and snow.
- It has a star-shaped design that allows for easy on and off, and can be opened up for air flow when the weather clears
- It also has a halo pole that creates more interior space and head room, and sewn-in windows that let you enjoy the view
- It comes with a durable haul sack for easy transport and storage
