This thermal top definitely keeps you warm especially if you are an outside working in the cold guy. I was sweating, so i recommend wearing it in. 20/30 degree weather.
I recently purchase a shirt and pants of the Duofold by Champion Men's Thermals Mid-weight Base Layer and I am very pleased with the items. I purchased a second pair so that I will have a backup pair. I would recommend this product to anyone interested in long underwear that fits and is comfortable and helps to keep you warm, when you are outside in the fall and winter.
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