The TAD Pursuit Half-Zip. This is an awesome layer. I wore it all day as a base layer. There is not much wool in it (75% Polyester/25% Wool) but it never stank and it was tremendously flexible with regards to its insulation. I’ve been noticing that wool in general has a really broad range of comfort. It seems to spread out the comfort range considerably. I can be too warm but not so warm that I need to drop a layer and I can be too cold but the wool takes the edge off. This is doubly so with the Pursuit and the half-zip feature really helps with this too. When zipped up all the way the short collar lays flat and smooth against your neck. I found this to function like a mini neck-gaiter and significantly added to the warmth. This was usually too warm so I would run the zip a little below the collar most of the time. However, there were times when I was exerting myself pretty strenuously and would run the zip all the way down. Since I was wearing the Pursuit as a base layer this exposed a good amount of bare skin and let me cool well. If the weather gets decidedly warm you might want to run just a t-shirt but if the weather gets too cold for just the Pursuit then you can wear a t-shirt underneath and really bump up the insulation. With just those two garments, the Pursuit and a t-shirt, you can work in a very wide range of temperatures.
The Pursuit really does the moisture wicking stuff. I got back to my camp the second night and there were hundreds of little tiny drops glistening on my front in the light of my headlamp. In the woods the thumbholes are fantastic. I wore fingerless knit wool gloves and pulled the sleeve over them locking both the gloves and the sleeves into place with the thumb hole. I did notice a little pilling where the pack rubs after the hike in but I did not notice an increase in the pilling after getting home. Even after wearing it in the woods where I was primarily bushwacking I would still wear it around town. It is a great looking garment.
When I bought this I got a discount but I would buy it again for the full price. The Pursuit is made in the US and just like every other TAD piece of gear I have purchased, it is exceptionally well made. With the prices other folks are charging for clothes from sweatshops in Bangladesh I think this is an extremely good value and recommend it without any reservation.