The First Lite Men's Approach Quarter Zip Shirt is a highly adaptive midlayer designed for comfort and concealment. The shirt's fabric is embedded with 37.5 technology and built with a grid knit backer to promote airflow, control scent, and thermoregulate body heat for the hunter's active or sedentary pursuit of game. Low-profile thumb loops and a deep chest zipper for quick ventilation complete this perfect quarter zip, optimized for close-range concealment. It helps you evade the sharp eyesight of spring turkeys and educated late-season waterfowl, cupped up and ready to land in your decoy spread. FeaturesMidweight 37.5 body fabric is breathable and quick drying with a grid knit backer to promote airflow and adapt to your body's activity level.Quarter-zip design for quick heat dumpingLow-profile thumb loops for back-of-hand coverage and easy layering66% 37.5 Polyester, 34% Polypropylene