Originally Posted by
RGNY
Smartwool offers three weights of merino base layer.
http://www.smartwool.com/mens/baselayer.html
i use the UA Coldgear compression base down to about 20F under a breathable paneled softshell. below that, and down to -10F thus far this year, i use the heavy Smartwool under the same shell.
Sorry dude but 20 degrees F is my absolute minimum
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(Life is too short to play crappy guitars) 2006 Raleigh Cadent 3.0, 1977 Schwinn Volare, 2010 Windsor tourist. ( I didn't fall , I attacked the floor)