Oh you started sweating before you even started pedaling--carrying your bicycle down the front porch is still a task, even with all that carbon--but nobody can tell how much you're sweating with the Gore Men's Base Layer Shirt under your jersey. Its moisture-managing fabric pulls sweat away from your body to dry quickly, keeping you fresh-looking near the end of your regular workout routine. The material also has high levels of stretch to keep a close fit; that combined with the smooth flatlock seams ensures more comfort when paired with jerseys.