While it keeps you warm, the fabric is highly breathable, allowing moisture to escape during intense climbs so you don't get "chilled" by your own sweat.
The primary material is designed to trap body heat while remaining elastic enough for a snug, aerodynamic "Active Fit" that doesn't restrict movement. While it keeps you warm, the fabric is
Below is an informative guide on the C3 Zip jersey, its features, and why it's a staple for outdoor athletes. While it keeps you warm
Functions perfectly as a warm mid-layer underneath a windproof Gore-Tex jacket when the mercury drops below freezing. the fabric is highly breathable
It typically includes a three-compartment back pocket system, often with a small secure zip pocket for keys or valuables.