Is the Mantis treated with water repellants?

Yes, the Mantis hammock tent's Gravitas™ 40D nylon diamond ripstop fabric is treated with a durable water repellant (DWR) finish. The Mantis rain fly's Patagium™ 15D nylon diamond ripstop nylon fabric is also 1,500 PU/Silicone/DWR treated.