Fishpond Thunderhead Sling Padded Insert John The waterproof front zipper adds

The waterproof front zipper adds significant convenience for layering

Breathable Back Yoke Ventilation

dry-dropper rigs

A lightweight canvas phenolic handle offers solid grip when wet

Fishpond Thunderhead Sling Padded Insert John The waterproof front zipper addsThe Fishpond Thunderhead Sling Padded Insert is a lightweight organizational system designed to add structure, protection, and quick access storage inside the Thunderhead Submersible Sling Pack. Featuring padded walls, a reinforced floor, and adjustable dividers, it helps keep fly boxes, camera gear, and valuables secure while reducing clutter inside fully waterproof sling setups. Its a smart upgrade for anglers and outdoor photographers who want