
If people weren’t so worried about appearance, everyone would choose synthetic mesh for their base layers. It’s just so effective at keeping you dry and regulating heat.
Mesh moves liquid sweat well because of its large surface area, it lets sweat evaporate away from the skin more easily because of the gaps, and it allows you to dump excess heat just by undoing your jersey zip. At that point the warm air that was trapped in the weave of the mesh gets carried away and the breeze is instantly on your skin.