sailcloth fabric

Are Sperry Tents Waterproof? Sperry’s tents are not your standard event tents. The tents, large or small, tapering up to a point where a flag waves from an attached poll. They are made from real sailcloth that is fire-safe and waterproof. What is a sailcloth tent? Sailcloth Tents are constructed with a lighter, semi-translucent material