The Louis Garneau SF-2 Long Sleeve Plastron Base Layer defends you from the wind, but prevents you from overheating. The front of the shirt features a breathable windproof fabric panel, while the back and sleeves are constructed of a soft, stretchy material that allows for plenty of airflow.

• Supra Filo 2 feels light and soft next to skin and has a perforated construction that increases airflow
• Light WindDry 2 waterproof/windproof material has micro-perforations for breathability
• Flat-lock seams
• Reflective logo on front
• Lightweight layer