The pack cover. If you leave it at home, there’s no better way to guarantee rain. Made from a lightweight polyester and finished with taped seams, Arc'teryx's weather-resistant pack cover weighs just ounces, packs into its own pocket, and adjusts to fit most packs. Bring it with you, keep your gear dry and enjoy the trip.
Size packs to fit:
S= 15 - 30L
M= 30 - 55L
L= 55 - 75L