Number 1 most important essential for fly anglers

 This book gives you, the fly angler, the essential knowledge that most miss when they are on the water. Hours of research, hours of practical hands-on experience of multiple fly anglers, and a number of fly-fishing guides are all compressed into this book for you.

This book is great fun to read.

This book will give you the upper hand. 

This book will teach you how to read the river like a pro. 

This book will help you locate fish faster.

Number 2 most important essential for fly anglers.

Polarized sunglasses work! And they work by eliminating the glare from the horizontal sun rays that bounce of reflective surfaces not only they also help:

1. reduce water surface glare Glare and sun in your eyes, which, in turn, improves your water visibility and improved FISH VISIBILITY 

2. protect your eyes from harmful UV rays

3. Extra shade on the face will keep you fresh on the water

4. The glasses will offer extra protection from swinging flys   

Number 3 most important essential for fly anglers.

Ernest Hemingway wore long-billed hats for good reason and here is why

1. Less Glare and sun in your eyes improves your water visibility

2. The extended bill will help avoid getting your nose burnt

3. Extra shade on the face will keep you fresh on the water

4. The hat will offer a little extra protection from swinging flys 

Stay fee, travel light, these few travel essentials are what you need for a minimalistic travel experience to make your fishing journeys relaxed, and essential for having a great time on the water.