SIMMS TRIBUTARY SLING PACK PF21 and ultra responsive

and ultra responsive

A quality reel is smooth

The drag system is 4 times as strong as the previous Evolution

Dual stretch mesh water bottle pockets

SIMMS TRIBUTARY SLING PACK PF21 and ultra responsiveUpdated for 2026 with highly water resistant and super durable materials, plus a refined shape and increased capacity for an easy wearing, easy to use, over the shoulder storage solution. Key Details Durable and water resistant 630 Denier High Density Oxford Nylon fabric with TPU coated frontside and PU coated backside YKK zippered front drop tray storage with internal and external Velcro fly patch locations plus two internal drop in mesh pockets