Ideally suited for day trips, the easy-access Tributary Chest Pack has been updated for 2026 with improved water resistance and reshaped for increased storage capacity. DIMENSIONS: Pack Dimensions: 6" H x 8.25" W x 3.75" D Shoulder Harness Dimension: 14" H x 8.25" W. Capacity: 3.5 L ITEM #: PG-14309