So this thing does what it says. It dries quick and it's warm. I've also noticed that it's so thick that it pretty much blocks the wind. I use it hiking, biking, and as a base layer (it's long enough that it will hang below most jackets). I've also used it as an outer layer in the spring. Three stars because I wish it had a little bit of stretch, which would make it a LOT more comfortable. Also, it has a boyish cut (straight up and down, which means tight on the chest and hips and loose in the waist for us ladies...).