Reviewed by KenV from Bakersfield, CA on Tuesday, January 22, 2013
Nice, very smooth fabric, but unsure of warmth factor (in cooler weather--felt cold against skin instead of any sense that a deadened layer existed between me and the air. Fit is good--a Large is against the skin for a 5'8" 175 lb normal frame guy with a 15.5-16" neck.
Purchased for layering under ski jacket, cycling outerwear. Could easily be used alone.