Osprey Rev 6 Hydration Pack (1.5L) $29.73, CamelBak K.U.D.U. 18 Hydration Pack (3L) $66.73, More + free ship on $50+ or free store pickup at REI By admin | January 31, 2018 12:37 pm EST 0 Comment Osprey Rev 6 Hydration Pack (1.5L) $29.73 (free store pickup or free ship on $50+) CamelBak K.U.D.U. 12 Hydration Pack (3L) $59.73 (ships free) CamelBak K.U.D.U. 18 Hydration Pack (3L) $66.73 (ships free)