Luke Haines wrote a review of Marmot Silkweight Crew - Long Sleeve - Men's on May 6, 2005
This base layer is really light. A bit too light to wear on its own in cold temps (<5 C / 40 F,) running. Hardly know your wearing it. Good for cycling as a base layer under my cycling top, especially in the bush where you are protected from the wind. Nice feel and comfortable to wear.