Roughlock Jacket S - Dark Khaki. Be ready for rain in the prAna Roughlock Jacket. A two toned shell has a durable water resistant exterior finish and 2.5 layer 5k/5k breathable laminate interior. All seams are fully sealed to prevent leaks, and the hood and hem have adjustable drawcords to close tightly when needed. A center storm flap buttons closed over a zip front.