osprey hydration pack parts Hydraulics 2L Backpack Water Reservoir with Bite Valve - BPA-Free, Leakproof Bladder with QuickConnect and Slide-Seal providing quick filling without the need to move the hose or reservoir in your pack Osprey Hydraulics Hydration System Review

Also, their diet may include plankton and small invertebrates

Backpacks like the Evolution Outdoors Drift Series 3600 Tackle Backpack give you a great way to keep tackle boxes organized and will give you fishing-specific features like plier holders

PS The Rod he showed me was the newer Split handle style rod what do you think of that style vs Full Handle Rods for the feel, and fighting fish all day

(Its also more durable.) The material has made a comeback, something Orvis recognized when it launched the first Superfine Glass series in 2013, and then re-designed the rod in 2022

Anodized aluminum, smooth foot, two screw reversible line guard, quick release spool, adjustable and reversable click drag