Does what it is supposed to

By Matt Ranked #395 - Men's Lightweight Long Underwear - Tops December 22, 2009

Smartwool makes a quality product. Microweight, like the name implies, is super thin but still does a good job regulating temperature. IMO it is a bit costly and thats why I rated it 4 stars. Consider Stoic and Backcountry base layers as well.

View Details: SmartWool Microweight Zip T-Shirt - Long-Sleeve - Men's

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