Your Fortress from the storm. When it comes to staying dry, Fortress over-delivers. It's the most premium, top-tier rain jacket in the AFTCO outerwear lineup. Constructed with a Toray® 100% nylon membrane that’s 30K waterproof and 7K breathable, it features the innovative SpeedVent™ hood that stays in place even at high speeds, YKK® AquaGuard® zippers, “Double-Dry” cuffs that prevent water from seeping up your sleeves, and an articulated fit that's ergonomically shaped to your body to provide a greater range of motion and reduce resistance during movement.