Originally Posted by BobFL
Just get UA Coldgear stuff. There is nothing better imho...
+1... I wear a UA Coldgear crew under a regular tshirt and this keeps me plenty warm and dry at the same time, which is very important when playing in cold weather outdoors. If I'm going to be playing in temps below 40 I've got a lightweight UA fleece that I'll wear on top of this combo for added warmth. If I get too toasty with those three layers I'll shed the tshirt and just use the UA crew and fleece.