Simms Tributary Hip Pack A go-anywhere 5L hip pack with more storage and improved water resistance for 2026. Updated for 2026, the Simms Tributary Hip Pack adds capacity and improved water resistance in a clean, easy-wearing design. Built from 630 Denier High-Density Oxford Nylon with TPU and PU coatings, it handles spray, rain, and hard days on the water. The 5-liter layout keeps fly boxes, leaders, and tools organized and close at hand whether you are wading a back bay or walking a rocky shoreline. It is a simple, ready-to-fish solution for striped bass and inshore fly anglers who like to travel light. Key Features 5L capacity for streamlined, waist-high storage 630D High-Density Oxford Nylon with TPU-coated front and PU-coated back for durability and water resistance YKK zippered front drop-tray with external Velcro fly patch and one internal mesh pocket Large-capacity YKK zippered main compartment with internal mesh pocket and key hook Hypalon tool docking station and belt webbing loops for accessory attachment Quick-release adjustable strap buckle and padded, mesh-lined lumbar panel Dual side-entry stretch mesh pockets for water bottles or a packable rain jacket Why We Like It The 5L size hits a sweet spot for quick trips and tight spots. It carries comfortably and keeps essential gear organized without bulk. A dependable hip pack for salt marshes, docks, and beach walks.