This is a great fly fishing sling pack. It is unobtrusive but practical. One big front pocket to hold and protect your flies.
Two pouches on the back have enough space for large fishing gear. These fly fishing sling packs have numerous pockets to hold all the accessories you need for fishing.
Air mesh back structure to distribute the weight comfortably.
The Portable Multi-Purpose Fly Fishing Sling Pack is the product you didn't think you need, but once you have it, something you won't want to live without.