For Alaska fishing, where you might be chucking lead eye leeches for Dolly Varden, followed by bulky mouse patterns for rainbows and then even dry flies for grayling, you need something that can do it all. 

We recommend a slightly overweighted floating line. By this we mean if you are using a 6 weight rod, the line should be more like a 6.5 or larger. This will help turn over big flies, cast well into the wind, and load your rod easily at close quarters. 

Three of our favorites are:

They all excel at the heavy fly game and still are smooth enough to land a dry fly when you need to. They are also very high quality and will last for years.