Simms Tributary Chest Pack 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. FEATURES: •Durable and water resistant 630 Denier High-Density Oxford Nylon fabric with TPU coated front side and PU coated back side •Combines a fully featured chest pack plus an integrated net holder slot and a D-ring on the back •YKK ® zippered front drop-tray storage with internal and external Velcro® fly patch locations plus two internal drop-in mesh pockets •Large-capacity YKK® zippered main chest storage •The Hyplalon tool docking station on the right side and webbing loops on the shoulders provide optimized accessory attachment locations •Quick-release adjustable side buckles and padded mesh lined shoulder straps for a comfortable fit •Dualside-entry mesh storage pocket located on the underside for water bottles or packable rainjackets •YKK® zippered chest pocket perfect for licenses and extra leaders FABRIC TECHNOLOGY: 630 Denier High-Density Oxford Nylon fabric with TPU-coated front side and PU-coated back side