b_maddrell34153wrote a review of Castelli Flanders Warm Long-Sleeve Base Layer - Men's on November 28, 2018
Familiarity: I've put it through the wringer
Love this thing. It's warm and stays dry with the right layers. Soft with a lightweight material in the pits to regulate the heat. Fit is snug and I usually wear it under a size large castelli jacket in the winter.